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Finding the Fourth Proportional to 302,453.27, 453,679.90 and 124,964.88

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Solution

The fourth proportional to 302,453.27, 453,679.90 and 124,964.88 is: 187,447.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    302,453.27 : 453,679.90 = 124,964.88 : x
  2. Step 2: Convert to fraction form
    302,453.27/453,679.90 = 124,964.88/x
  3. Step 3: Cross multiply
    302,453.27x = 453,679.90 × 124,964.88
  4. Step 4: Simplify right side
    302,453.27x = 56,694,052,248.20
  5. Step 5: Solve for x
    x = 56,694,052,248.20/302,453.27
  6. Step 6: Final answer
    x = 187,447.31

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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.