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Finding the Fourth Proportional to 502,469.20, 753,444.60 and 186,763.60

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Solution

The fourth proportional to 502,469.20, 753,444.60 and 186,763.60 is: 280,049.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    502,469.20 : 753,444.60 = 186,763.60 : x
  2. Step 2: Convert to fraction form
    502,469.20/753,444.60 = 186,763.60/x
  3. Step 3: Cross multiply
    502,469.20x = 753,444.60 × 186,763.60
  4. Step 4: Simplify right side
    502,469.20x = 140,716,025,896.56
  5. Step 5: Solve for x
    x = 140,716,025,896.56/502,469.20
  6. Step 6: Final answer
    x = 280,049.06

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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.