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Finding the Fourth Proportional to 338,757.71, 467,485.56 and 187,854.71

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Solution

The fourth proportional to 338,757.71, 467,485.56 and 187,854.71 is: 259,239.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    338,757.71 : 467,485.56 = 187,854.71 : x
  2. Step 2: Convert to fraction form
    338,757.71/467,485.56 = 187,854.71/x
  3. Step 3: Cross multiply
    338,757.71x = 467,485.56 × 187,854.71
  4. Step 4: Simplify right side
    338,757.71x = 87,819,361,965.56
  5. Step 5: Solve for x
    x = 87,819,361,965.56/338,757.71
  6. Step 6: Final answer
    x = 259,239.45

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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.