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Finding the Fourth Proportional to 584,006.60, 876,009.90 and 403,603.40

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Solution

The fourth proportional to 584,006.60, 876,009.90 and 403,603.40 is: 605,405.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    584,006.60 : 876,009.90 = 403,603.40 : x
  2. Step 2: Convert to fraction form
    584,006.60/876,009.90 = 403,603.40/x
  3. Step 3: Cross multiply
    584,006.60x = 876,009.90 × 403,603.40
  4. Step 4: Simplify right side
    584,006.60x = 353,560,574,073.66
  5. Step 5: Solve for x
    x = 353,560,574,073.66/584,006.60
  6. Step 6: Final answer
    x = 605,405.10

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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.