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Finding the Fourth Proportional to 218,397.49, 327,598.05 and 60,638.24

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Solution

The fourth proportional to 218,397.49, 327,598.05 and 60,638.24 is: 90,957.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    218,397.49 : 327,598.05 = 60,638.24 : x
  2. Step 2: Convert to fraction form
    218,397.49/327,598.05 = 60,638.24/x
  3. Step 3: Cross multiply
    218,397.49x = 327,598.05 × 60,638.24
  4. Step 4: Simplify right side
    218,397.49x = 19,864,969,179.43
  5. Step 5: Solve for x
    x = 19,864,969,179.43/218,397.49
  6. Step 6: Final answer
    x = 90,957.87

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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.