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Finding the Fourth Proportional to 359,267.20, 538,200.72 and 218,677.12

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Solution

The fourth proportional to 359,267.20, 538,200.72 and 218,677.12 is: 327,589.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    359,267.20 : 538,200.72 = 218,677.12 : x
  2. Step 2: Convert to fraction form
    359,267.20/538,200.72 = 218,677.12/x
  3. Step 3: Cross multiply
    359,267.20x = 538,200.72 × 218,677.12
  4. Step 4: Simplify right side
    359,267.20x = 117,692,183,431.53
  5. Step 5: Solve for x
    x = 117,692,183,431.53/359,267.20
  6. Step 6: Final answer
    x = 327,589.56

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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.