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Finding the Fourth Proportional to 359,168.20, 538,754.98 and 159,434.88

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Solution

The fourth proportional to 359,168.20, 538,754.98 and 159,434.88 is: 239,153.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    359,168.20 : 538,754.98 = 159,434.88 : x
  2. Step 2: Convert to fraction form
    359,168.20/538,754.98 = 159,434.88/x
  3. Step 3: Cross multiply
    359,168.20x = 538,754.98 × 159,434.88
  4. Step 4: Simplify right side
    359,168.20x = 85,896,335,585.70
  5. Step 5: Solve for x
    x = 85,896,335,585.70/359,168.20
  6. Step 6: Final answer
    x = 239,153.51

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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.