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Finding the Fourth Proportional to 267,126.52, 400,053.72 and 154,569.55

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Solution

The fourth proportional to 267,126.52, 400,053.72 and 154,569.55 is: 231,486.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    267,126.52 : 400,053.72 = 154,569.55 : x
  2. Step 2: Convert to fraction form
    267,126.52/400,053.72 = 154,569.55/x
  3. Step 3: Cross multiply
    267,126.52x = 400,053.72 × 154,569.55
  4. Step 4: Simplify right side
    267,126.52x = 61,836,123,476.23
  5. Step 5: Solve for x
    x = 61,836,123,476.23/267,126.52
  6. Step 6: Final answer
    x = 231,486.28

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.