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Finding the Fourth Proportional to 482,391.10, 665,701.50 and 267,551.02

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Solution

The fourth proportional to 482,391.10, 665,701.50 and 267,551.02 is: 369,221.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    482,391.10 : 665,701.50 = 267,551.02 : x
  2. Step 2: Convert to fraction form
    482,391.10/665,701.50 = 267,551.02/x
  3. Step 3: Cross multiply
    482,391.10x = 665,701.50 × 267,551.02
  4. Step 4: Simplify right side
    482,391.10x = 178,109,115,340.53
  5. Step 5: Solve for x
    x = 178,109,115,340.53/482,391.10
  6. Step 6: Final answer
    x = 369,221.40

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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.