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Finding the Fourth Proportional to 482,570.57, 665,948.17 and 267,710.64

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Solution

The fourth proportional to 482,570.57, 665,948.17 and 267,710.64 is: 369,441.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    482,570.57 : 665,948.17 = 267,710.64 : x
  2. Step 2: Convert to fraction form
    482,570.57/665,948.17 = 267,710.64/x
  3. Step 3: Cross multiply
    482,570.57x = 665,948.17 × 267,710.64
  4. Step 4: Simplify right side
    482,570.57x = 178,281,410,797.53
  5. Step 5: Solve for x
    x = 178,281,410,797.53/482,570.57
  6. Step 6: Final answer
    x = 369,441.12

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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.