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Finding the Fourth Proportional to 576,105.44, 864,147.92 and 155,425.76

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Solution

The fourth proportional to 576,105.44, 864,147.92 and 155,425.76 is: 233,135.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    576,105.44 : 864,147.92 = 155,425.76 : x
  2. Step 2: Convert to fraction form
    576,105.44/864,147.92 = 155,425.76/x
  3. Step 3: Cross multiply
    576,105.44x = 864,147.92 × 155,425.76
  4. Step 4: Simplify right side
    576,105.44x = 134,310,847,218.42
  5. Step 5: Solve for x
    x = 134,310,847,218.42/576,105.44
  6. Step 6: Final answer
    x = 233,135.88

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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.