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Finding the Fourth Proportional to 267,666.53, 400,883.38 and 155,067.21

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Solution

The fourth proportional to 267,666.53, 400,883.38 and 155,067.21 is: 232,243.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    267,666.53 : 400,883.38 = 155,067.21 : x
  2. Step 2: Convert to fraction form
    267,666.53/400,883.38 = 155,067.21/x
  3. Step 3: Cross multiply
    267,666.53x = 400,883.38 × 155,067.21
  4. Step 4: Simplify right side
    267,666.53x = 62,163,866,884.30
  5. Step 5: Solve for x
    x = 62,163,866,884.30/267,666.53
  6. Step 6: Final answer
    x = 232,243.71

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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.