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Finding the Fourth Proportional to 338,656.43, 467,351.25 and 185,708.54

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Solution

The fourth proportional to 338,656.43, 467,351.25 and 185,708.54 is: 256,280.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    338,656.43 : 467,351.25 = 185,708.54 : x
  2. Step 2: Convert to fraction form
    338,656.43/467,351.25 = 185,708.54/x
  3. Step 3: Cross multiply
    338,656.43x = 467,351.25 × 185,708.54
  4. Step 4: Simplify right side
    338,656.43x = 86,791,118,304.68
  5. Step 5: Solve for x
    x = 86,791,118,304.68/338,656.43
  6. Step 6: Final answer
    x = 256,280.73

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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.