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Finding the Fourth Proportional to 372,213.60, 558,838.80 and 232,245.60

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Solution

The fourth proportional to 372,213.60, 558,838.80 and 232,245.60 is: 348,691.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    372,213.60 : 558,838.80 = 232,245.60 : x
  2. Step 2: Convert to fraction form
    372,213.60/558,838.80 = 232,245.60/x
  3. Step 3: Cross multiply
    372,213.60x = 558,838.80 × 232,245.60
  4. Step 4: Simplify right side
    372,213.60x = 129,787,852,409.28
  5. Step 5: Solve for x
    x = 129,787,852,409.28/372,213.60
  6. Step 6: Final answer
    x = 348,691.86

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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.