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Finding the Fourth Proportional to 605,139.20, 907,708.80 and 594,641.60

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Solution

The fourth proportional to 605,139.20, 907,708.80 and 594,641.60 is: 891,962.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    605,139.20 : 907,708.80 = 594,641.60 : x
  2. Step 2: Convert to fraction form
    605,139.20/907,708.80 = 594,641.60/x
  3. Step 3: Cross multiply
    605,139.20x = 907,708.80 × 594,641.60
  4. Step 4: Simplify right side
    605,139.20x = 539,761,413,166.08
  5. Step 5: Solve for x
    x = 539,761,413,166.08/605,139.20
  6. Step 6: Final answer
    x = 891,962.40

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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.