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Finding the Fourth Proportional to 487,604.71, 731,551.96 and 234,812.12

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Solution

The fourth proportional to 487,604.71, 731,551.96 and 234,812.12 is: 352,287.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    487,604.71 : 731,551.96 = 234,812.12 : x
  2. Step 2: Convert to fraction form
    487,604.71/731,551.96 = 234,812.12/x
  3. Step 3: Cross multiply
    487,604.71x = 731,551.96 × 234,812.12
  4. Step 4: Simplify right side
    487,604.71x = 171,777,261,932.69
  5. Step 5: Solve for x
    x = 171,777,261,932.69/487,604.71
  6. Step 6: Final answer
    x = 352,287.95

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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.