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Finding the Fourth Proportional to 529,900.87, 730,951.89 and 333,354.79

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Solution

The fourth proportional to 529,900.87, 730,951.89 and 333,354.79 is: 459,833.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    529,900.87 : 730,951.89 = 333,354.79 : x
  2. Step 2: Convert to fraction form
    529,900.87/730,951.89 = 333,354.79/x
  3. Step 3: Cross multiply
    529,900.87x = 730,951.89 × 333,354.79
  4. Step 4: Simplify right side
    529,900.87x = 243,666,318,323.15
  5. Step 5: Solve for x
    x = 243,666,318,323.15/529,900.87
  6. Step 6: Final answer
    x = 459,833.78

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Why These Related Problems?

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