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Finding the Fourth Proportional to 360,923.78, 541,414.80 and 111,605.78

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Solution

The fourth proportional to 360,923.78, 541,414.80 and 111,605.78 is: 167,417.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    360,923.78 : 541,414.80 = 111,605.78 : x
  2. Step 2: Convert to fraction form
    360,923.78/541,414.80 = 111,605.78/x
  3. Step 3: Cross multiply
    360,923.78x = 541,414.80 × 111,605.78
  4. Step 4: Simplify right side
    360,923.78x = 60,425,021,057.54
  5. Step 5: Solve for x
    x = 60,425,021,057.54/360,923.78
  6. Step 6: Final answer
    x = 167,417.68

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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.