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Finding the Fourth Proportional to 267,576.45, 369,449.25 and 172,249.22

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Solution

The fourth proportional to 267,576.45, 369,449.25 and 172,249.22 is: 237,828.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    267,576.45 : 369,449.25 = 172,249.22 : x
  2. Step 2: Convert to fraction form
    267,576.45/369,449.25 = 172,249.22/x
  3. Step 3: Cross multiply
    267,576.45x = 369,449.25 × 172,249.22
  4. Step 4: Simplify right side
    267,576.45x = 63,637,345,142.09
  5. Step 5: Solve for x
    x = 63,637,345,142.09/267,576.45
  6. Step 6: Final answer
    x = 237,828.65

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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.