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Finding the Fourth Proportional to 482,165.70, 665,404.38 and 267,325.74

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Solution

The fourth proportional to 482,165.70, 665,404.38 and 267,325.74 is: 368,918.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    482,165.70 : 665,404.38 = 267,325.74 : x
  2. Step 2: Convert to fraction form
    482,165.70/665,404.38 = 267,325.74/x
  3. Step 3: Cross multiply
    482,165.70x = 665,404.38 × 267,325.74
  4. Step 4: Simplify right side
    482,165.70x = 177,879,718,282.74
  5. Step 5: Solve for x
    x = 177,879,718,282.74/482,165.70
  6. Step 6: Final answer
    x = 368,918.23

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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.