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Finding the Fourth Proportional to 372,096.76, 513,499.98 and 202,331.92

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Solution

The fourth proportional to 372,096.76, 513,499.98 and 202,331.92 is: 279,221.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    372,096.76 : 513,499.98 = 202,331.92 : x
  2. Step 2: Convert to fraction form
    372,096.76/513,499.98 = 202,331.92/x
  3. Step 3: Cross multiply
    372,096.76x = 513,499.98 × 202,331.92
  4. Step 4: Simplify right side
    372,096.76x = 103,897,436,873.36
  5. Step 5: Solve for x
    x = 103,897,436,873.36/372,096.76
  6. Step 6: Final answer
    x = 279,221.56

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.