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Finding the Fourth Proportional to 432,262.78, 648,394.17 and 147,957.03

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Solution

The fourth proportional to 432,262.78, 648,394.17 and 147,957.03 is: 221,935.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    432,262.78 : 648,394.17 = 147,957.03 : x
  2. Step 2: Convert to fraction form
    432,262.78/648,394.17 = 147,957.03/x
  3. Step 3: Cross multiply
    432,262.78x = 648,394.17 × 147,957.03
  4. Step 4: Simplify right side
    432,262.78x = 95,934,475,107.68
  5. Step 5: Solve for x
    x = 95,934,475,107.68/432,262.78
  6. Step 6: Final answer
    x = 221,935.55

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Similar ratio
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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.