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Finding the Fourth Proportional to 571,472.78, 857,124.92 and 150,778.22

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Solution

The fourth proportional to 571,472.78, 857,124.92 and 150,778.22 is: 226,145.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    571,472.78 : 857,124.92 = 150,778.22 : x
  2. Step 2: Convert to fraction form
    571,472.78/857,124.92 = 150,778.22/x
  3. Step 3: Cross multiply
    571,472.78x = 857,124.92 × 150,778.22
  4. Step 4: Simplify right side
    571,472.78x = 129,235,769,755.24
  5. Step 5: Solve for x
    x = 129,235,769,755.24/571,472.78
  6. Step 6: Final answer
    x = 226,145.10

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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.