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Finding the Fourth Proportional to 584,009.40, 876,014.10 and 397,385.40

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Solution

The fourth proportional to 584,009.40, 876,014.10 and 397,385.40 is: 596,078.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    584,009.40 : 876,014.10 = 397,385.40 : x
  2. Step 2: Convert to fraction form
    584,009.40/876,014.10 = 397,385.40/x
  3. Step 3: Cross multiply
    584,009.40x = 876,014.10 × 397,385.40
  4. Step 4: Simplify right side
    584,009.40x = 348,115,213,534.14
  5. Step 5: Solve for x
    x = 348,115,213,534.14/584,009.40
  6. Step 6: Final answer
    x = 596,078.10

Related Problems

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Half scale
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Double scale
Find fourth proportional to 584,010.40, 876,015.60 and 397,386.40
Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.