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Finding the Fourth Proportional to 327,592.92, 491,509.56 and 138,100.98

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Solution

The fourth proportional to 327,592.92, 491,509.56 and 138,100.98 is: 207,202.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    327,592.92 : 491,509.56 = 138,100.98 : x
  2. Step 2: Convert to fraction form
    327,592.92/491,509.56 = 138,100.98/x
  3. Step 3: Cross multiply
    327,592.92x = 491,509.56 × 138,100.98
  4. Step 4: Simplify right side
    327,592.92x = 67,877,951,915.37
  5. Step 5: Solve for x
    x = 67,877,951,915.37/327,592.92
  6. Step 6: Final answer
    x = 207,202.13

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1.5x scale

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.