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Finding the Fourth Proportional to 469,617.20, 648,072.98 and 254,757.27

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Solution

The fourth proportional to 469,617.20, 648,072.98 and 254,757.27 is: 351,565.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    469,617.20 : 648,072.98 = 254,757.27 : x
  2. Step 2: Convert to fraction form
    469,617.20/648,072.98 = 254,757.27/x
  3. Step 3: Cross multiply
    469,617.20x = 648,072.98 × 254,757.27
  4. Step 4: Simplify right side
    469,617.20x = 165,101,301,201.85
  5. Step 5: Solve for x
    x = 165,101,301,201.85/469,617.20
  6. Step 6: Final answer
    x = 351,565.70

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.