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Finding the Fourth Proportional to 372,893.54, 558,839.72 and 204,159.20

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Solution

The fourth proportional to 372,893.54, 558,839.72 and 204,159.20 is: 305,964.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    372,893.54 : 558,839.72 = 204,159.20 : x
  2. Step 2: Convert to fraction form
    372,893.54/558,839.72 = 204,159.20/x
  3. Step 3: Cross multiply
    372,893.54x = 558,839.72 × 204,159.20
  4. Step 4: Simplify right side
    372,893.54x = 114,092,267,879.62
  5. Step 5: Solve for x
    x = 114,092,267,879.62/372,893.54
  6. Step 6: Final answer
    x = 305,964.72

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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.