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Finding the Fourth Proportional to 338,652, 467,344.26 and 185,689.80

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Solution

The fourth proportional to 338,652, 467,344.26 and 185,689.80 is: 256,254.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    338,652 : 467,344.26 = 185,689.80 : x
  2. Step 2: Convert to fraction form
    338,652/467,344.26 = 185,689.80/x
  3. Step 3: Cross multiply
    338,652x = 467,344.26 × 185,689.80
  4. Step 4: Simplify right side
    338,652x = 86,781,062,170.55
  5. Step 5: Solve for x
    x = 86,781,062,170.55/338,652
  6. Step 6: Final answer
    x = 256,254.39

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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.