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Finding the Fourth Proportional to 358,385.28, 537,536.34 and 133,753.56

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Solution

The fourth proportional to 358,385.28, 537,536.34 and 133,753.56 is: 200,614.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    358,385.28 : 537,536.34 = 133,753.56 : x
  2. Step 2: Convert to fraction form
    358,385.28/537,536.34 = 133,753.56/x
  3. Step 3: Cross multiply
    358,385.28x = 537,536.34 × 133,753.56
  4. Step 4: Simplify right side
    358,385.28x = 71,897,399,104.37
  5. Step 5: Solve for x
    x = 71,897,399,104.37/358,385.28
  6. Step 6: Final answer
    x = 200,614.82

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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.