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Finding the Fourth Proportional to 584,435.40, 876,653.10 and 486,020.40

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Solution

The fourth proportional to 584,435.40, 876,653.10 and 486,020.40 is: 729,030.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    584,435.40 : 876,653.10 = 486,020.40 : x
  2. Step 2: Convert to fraction form
    584,435.40/876,653.10 = 486,020.40/x
  3. Step 3: Cross multiply
    584,435.40x = 876,653.10 × 486,020.40
  4. Step 4: Simplify right side
    584,435.40x = 426,071,290,323.24
  5. Step 5: Solve for x
    x = 426,071,290,323.24/584,435.40
  6. Step 6: Final answer
    x = 729,030.60

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Double scale
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Similar ratio
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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.