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Finding the Fourth Proportional to 482,452.80, 665,864.58 and 267,662.07

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Solution

The fourth proportional to 482,452.80, 665,864.58 and 267,662.07 is: 369,417.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    482,452.80 : 665,864.58 = 267,662.07 : x
  2. Step 2: Convert to fraction form
    482,452.80/665,864.58 = 267,662.07/x
  3. Step 3: Cross multiply
    482,452.80x = 665,864.58 × 267,662.07
  4. Step 4: Simplify right side
    482,452.80x = 178,226,688,493.16
  5. Step 5: Solve for x
    x = 178,226,688,493.16/482,452.80
  6. Step 6: Final answer
    x = 369,417.88

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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.