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Finding the Fourth Proportional to 267,857.68, 369,892.56 and 172,528.24

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Solution

The fourth proportional to 267,857.68, 369,892.56 and 172,528.24 is: 238,249.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    267,857.68 : 369,892.56 = 172,528.24 : x
  2. Step 2: Convert to fraction form
    267,857.68/369,892.56 = 172,528.24/x
  3. Step 3: Cross multiply
    267,857.68x = 369,892.56 × 172,528.24
  4. Step 4: Simplify right side
    267,857.68x = 63,816,912,365.89
  5. Step 5: Solve for x
    x = 63,816,912,365.89/267,857.68
  6. Step 6: Final answer
    x = 238,249.33

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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.