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Finding the Fourth Proportional to 338,655.43, 467,349.87 and 185,707.54

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Solution

The fourth proportional to 338,655.43, 467,349.87 and 185,707.54 is: 256,279.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    338,655.43 : 467,349.87 = 185,707.54 : x
  2. Step 2: Convert to fraction form
    338,655.43/467,349.87 = 185,707.54/x
  3. Step 3: Cross multiply
    338,655.43x = 467,349.87 × 185,707.54
  4. Step 4: Simplify right side
    338,655.43x = 86,790,394,677.02
  5. Step 5: Solve for x
    x = 86,790,394,677.02/338,655.43
  6. Step 6: Final answer
    x = 256,279.35

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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.