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Finding the Fourth Proportional to 338,642.68, 467,331.96 and 185,694.88

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Solution

The fourth proportional to 338,642.68, 467,331.96 and 185,694.88 is: 256,261.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    338,642.68 : 467,331.96 = 185,694.88 : x
  2. Step 2: Convert to fraction form
    338,642.68/467,331.96 = 185,694.88/x
  3. Step 3: Cross multiply
    338,642.68x = 467,331.96 × 185,694.88
  4. Step 4: Simplify right side
    338,642.68x = 86,781,152,232.36
  5. Step 5: Solve for x
    x = 86,781,152,232.36/338,642.68
  6. Step 6: Final answer
    x = 256,261.71

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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.