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Finding the Fourth Proportional to 372,865.92, 559,416.96 and 239,896.32

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Solution

The fourth proportional to 372,865.92, 559,416.96 and 239,896.32 is: 359,920.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    372,865.92 : 559,416.96 = 239,896.32 : x
  2. Step 2: Convert to fraction form
    372,865.92/559,416.96 = 239,896.32/x
  3. Step 3: Cross multiply
    372,865.92x = 559,416.96 × 239,896.32
  4. Step 4: Simplify right side
    372,865.92x = 134,202,070,049.59
  5. Step 5: Solve for x
    x = 134,202,070,049.59/372,865.92
  6. Step 6: Final answer
    x = 359,920.45

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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.