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Finding the Fourth Proportional to 591,792.30, 887,688.45 and 497,313.90

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Solution

The fourth proportional to 591,792.30, 887,688.45 and 497,313.90 is: 745,970.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    591,792.30 : 887,688.45 = 497,313.90 : x
  2. Step 2: Convert to fraction form
    591,792.30/887,688.45 = 497,313.90/x
  3. Step 3: Cross multiply
    591,792.30x = 887,688.45 × 497,313.90
  4. Step 4: Simplify right side
    591,792.30x = 441,459,805,054.46
  5. Step 5: Solve for x
    x = 441,459,805,054.46/591,792.30
  6. Step 6: Final answer
    x = 745,970.85

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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.