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Finding the Fourth Proportional to 267,332.48, 398,639.68 and 264,932.72

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Solution

The fourth proportional to 267,332.48, 398,639.68 and 264,932.72 is: 395,061.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    267,332.48 : 398,639.68 = 264,932.72 : x
  2. Step 2: Convert to fraction form
    267,332.48/398,639.68 = 264,932.72/x
  3. Step 3: Cross multiply
    267,332.48x = 398,639.68 × 264,932.72
  4. Step 4: Simplify right side
    267,332.48x = 105,612,694,722.33
  5. Step 5: Solve for x
    x = 105,612,694,722.33/267,332.48
  6. Step 6: Final answer
    x = 395,061.22

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.