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Finding the Fourth Proportional to 506,484.87, 698,265.15 and 324,881.58

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Solution

The fourth proportional to 506,484.87, 698,265.15 and 324,881.58 is: 447,897.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    506,484.87 : 698,265.15 = 324,881.58 : x
  2. Step 2: Convert to fraction form
    506,484.87/698,265.15 = 324,881.58/x
  3. Step 3: Cross multiply
    506,484.87x = 698,265.15 × 324,881.58
  4. Step 4: Simplify right side
    506,484.87x = 226,853,485,190.94
  5. Step 5: Solve for x
    x = 226,853,485,190.94/506,484.87
  6. Step 6: Final answer
    x = 447,897.85

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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.