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Finding the Fourth Proportional to 484,351.38, 726,527.68 and 231,572.45

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Solution

The fourth proportional to 484,351.38, 726,527.68 and 231,572.45 is: 347,358.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    484,351.38 : 726,527.68 = 231,572.45 : x
  2. Step 2: Convert to fraction form
    484,351.38/726,527.68 = 231,572.45/x
  3. Step 3: Cross multiply
    484,351.38x = 726,527.68 × 231,572.45
  4. Step 4: Simplify right side
    484,351.38x = 168,243,796,087.80
  5. Step 5: Solve for x
    x = 168,243,796,087.80/484,351.38
  6. Step 6: Final answer
    x = 347,358.97

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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.