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Finding the Fourth Proportional to 539,568.72, 744,489.32 and 313,092.72

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Solution

The fourth proportional to 539,568.72, 744,489.32 and 313,092.72 is: 432,000.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    539,568.72 : 744,489.32 = 313,092.72 : x
  2. Step 2: Convert to fraction form
    539,568.72/744,489.32 = 313,092.72/x
  3. Step 3: Cross multiply
    539,568.72x = 744,489.32 × 313,092.72
  4. Step 4: Simplify right side
    539,568.72x = 233,094,186,209.75
  5. Step 5: Solve for x
    x = 233,094,186,209.75/539,568.72
  6. Step 6: Final answer
    x = 432,000.93

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.