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Finding the Fourth Proportional to 267,434.78, 369,100.65 and 170,680.38

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Solution

The fourth proportional to 267,434.78, 369,100.65 and 170,680.38 is: 235,564.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    267,434.78 : 369,100.65 = 170,680.38 : x
  2. Step 2: Convert to fraction form
    267,434.78/369,100.65 = 170,680.38/x
  3. Step 3: Cross multiply
    267,434.78x = 369,100.65 × 170,680.38
  4. Step 4: Simplify right side
    267,434.78x = 62,998,239,200.25
  5. Step 5: Solve for x
    x = 62,998,239,200.25/267,434.78
  6. Step 6: Final answer
    x = 235,564.87

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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.