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Finding the Fourth Proportional to 361,687.97, 542,526.48 and 151,325.91

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Solution

The fourth proportional to 361,687.97, 542,526.48 and 151,325.91 is: 226,986.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    361,687.97 : 542,526.48 = 151,325.91 : x
  2. Step 2: Convert to fraction form
    361,687.97/542,526.48 = 151,325.91/x
  3. Step 3: Cross multiply
    361,687.97x = 542,526.48 × 151,325.91
  4. Step 4: Simplify right side
    361,687.97x = 82,098,313,285.10
  5. Step 5: Solve for x
    x = 82,098,313,285.10/361,687.97
  6. Step 6: Final answer
    x = 226,986.58

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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.