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Finding the Fourth Proportional to 363,609.48, 545,197.50 and 150,211.56

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Solution

The fourth proportional to 363,609.48, 545,197.50 and 150,211.56 is: 225,227.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    363,609.48 : 545,197.50 = 150,211.56 : x
  2. Step 2: Convert to fraction form
    363,609.48/545,197.50 = 150,211.56/x
  3. Step 3: Cross multiply
    363,609.48x = 545,197.50 × 150,211.56
  4. Step 4: Simplify right side
    363,609.48x = 81,894,966,983.10
  5. Step 5: Solve for x
    x = 81,894,966,983.10/363,609.48
  6. Step 6: Final answer
    x = 225,227.81

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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.