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Finding the Fourth Proportional to 482,355.35, 665,651.91 and 267,515.27

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Solution

The fourth proportional to 482,355.35, 665,651.91 and 267,515.27 is: 369,171.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    482,355.35 : 665,651.91 = 267,515.27 : x
  2. Step 2: Convert to fraction form
    482,355.35/665,651.91 = 267,515.27/x
  3. Step 3: Cross multiply
    482,355.35x = 665,651.91 × 267,515.27
  4. Step 4: Simplify right side
    482,355.35x = 178,072,047,101.41
  5. Step 5: Solve for x
    x = 178,072,047,101.41/482,355.35
  6. Step 6: Final answer
    x = 369,171.92

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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.