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Finding the Fourth Proportional to 267,655.44, 368,437.32 and 231,340.20

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Solution

The fourth proportional to 267,655.44, 368,437.32 and 231,340.20 is: 318,448.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    267,655.44 : 368,437.32 = 231,340.20 : x
  2. Step 2: Convert to fraction form
    267,655.44/368,437.32 = 231,340.20/x
  3. Step 3: Cross multiply
    267,655.44x = 368,437.32 × 231,340.20
  4. Step 4: Simplify right side
    267,655.44x = 85,234,363,296.26
  5. Step 5: Solve for x
    x = 85,234,363,296.26/267,655.44
  6. Step 6: Final answer
    x = 318,448.09

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1.5x scale

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.