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Finding the Fourth Proportional to 482,863.16, 666,346.34 and 267,997.70

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Solution

The fourth proportional to 482,863.16, 666,346.34 and 267,997.70 is: 369,834.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    482,863.16 : 666,346.34 = 267,997.70 : x
  2. Step 2: Convert to fraction form
    482,863.16/666,346.34 = 267,997.70/x
  3. Step 3: Cross multiply
    482,863.16x = 666,346.34 × 267,997.70
  4. Step 4: Simplify right side
    482,863.16x = 178,579,281,851.70
  5. Step 5: Solve for x
    x = 178,579,281,851.70/482,863.16
  6. Step 6: Final answer
    x = 369,834.14

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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.