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Finding the Fourth Proportional to 552,229.60, 827,761.20 and 315,061.60

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Solution

The fourth proportional to 552,229.60, 827,761.20 and 315,061.60 is: 472,259.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    552,229.60 : 827,761.20 = 315,061.60 : x
  2. Step 2: Convert to fraction form
    552,229.60/827,761.20 = 315,061.60/x
  3. Step 3: Cross multiply
    552,229.60x = 827,761.20 × 315,061.60
  4. Step 4: Simplify right side
    552,229.60x = 260,795,768,089.92
  5. Step 5: Solve for x
    x = 260,795,768,089.92/552,229.60
  6. Step 6: Final answer
    x = 472,259.67

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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.