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Finding the Fourth Proportional to 372,553.34, 558,843.60 and 132,684.90

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Solution

The fourth proportional to 372,553.34, 558,843.60 and 132,684.90 is: 199,032.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    372,553.34 : 558,843.60 = 132,684.90 : x
  2. Step 2: Convert to fraction form
    372,553.34/558,843.60 = 132,684.90/x
  3. Step 3: Cross multiply
    372,553.34x = 558,843.60 × 132,684.90
  4. Step 4: Simplify right side
    372,553.34x = 74,150,107,181.64
  5. Step 5: Solve for x
    x = 74,150,107,181.64/372,553.34
  6. Step 6: Final answer
    x = 199,032.19

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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.