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Finding the Fourth Proportional to 605,043.60, 907,565.40 and 577,487.40

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Solution

The fourth proportional to 605,043.60, 907,565.40 and 577,487.40 is: 866,231.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    605,043.60 : 907,565.40 = 577,487.40 : x
  2. Step 2: Convert to fraction form
    605,043.60/907,565.40 = 577,487.40/x
  3. Step 3: Cross multiply
    605,043.60x = 907,565.40 × 577,487.40
  4. Step 4: Simplify right side
    605,043.60x = 524,107,583,175.96
  5. Step 5: Solve for x
    x = 524,107,583,175.96/605,043.60
  6. Step 6: Final answer
    x = 866,231.10

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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.