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Finding the Fourth Proportional to 482,391.66, 665,740.38 and 267,601.10

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Solution

The fourth proportional to 482,391.66, 665,740.38 and 267,601.10 is: 369,311.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    482,391.66 : 665,740.38 = 267,601.10 : x
  2. Step 2: Convert to fraction form
    482,391.66/665,740.38 = 267,601.10/x
  3. Step 3: Cross multiply
    482,391.66x = 665,740.38 × 267,601.10
  4. Step 4: Simplify right side
    482,391.66x = 178,152,858,002.42
  5. Step 5: Solve for x
    x = 178,152,858,002.42/482,391.66
  6. Step 6: Final answer
    x = 369,311.65

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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.