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Finding the Fourth Proportional to 432,098.58, 648,248.67 and 147,791.34

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Solution

The fourth proportional to 432,098.58, 648,248.67 and 147,791.34 is: 221,721.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    432,098.58 : 648,248.67 = 147,791.34 : x
  2. Step 2: Convert to fraction form
    432,098.58/648,248.67 = 147,791.34/x
  3. Step 3: Cross multiply
    432,098.58x = 648,248.67 × 147,791.34
  4. Step 4: Simplify right side
    432,098.58x = 95,805,539,592.52
  5. Step 5: Solve for x
    x = 95,805,539,592.52/432,098.58
  6. Step 6: Final answer
    x = 221,721.49

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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.