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Finding the Fourth Proportional to 550,507.50, 825,899.97 and 156,523.50

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Solution

The fourth proportional to 550,507.50, 825,899.97 and 156,523.50 is: 234,824.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    550,507.50 : 825,899.97 = 156,523.50 : x
  2. Step 2: Convert to fraction form
    550,507.50/825,899.97 = 156,523.50/x
  3. Step 3: Cross multiply
    550,507.50x = 825,899.97 × 156,523.50
  4. Step 4: Simplify right side
    550,507.50x = 129,272,753,954.30
  5. Step 5: Solve for x
    x = 129,272,753,954.30/550,507.50
  6. Step 6: Final answer
    x = 234,824.69

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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.