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Finding the Fourth Proportional to 338,671.26, 508,311.45 and 181,034.46

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Solution

The fourth proportional to 338,671.26, 508,311.45 and 181,034.46 is: 271,714.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    338,671.26 : 508,311.45 = 181,034.46 : x
  2. Step 2: Convert to fraction form
    338,671.26/508,311.45 = 181,034.46/x
  3. Step 3: Cross multiply
    338,671.26x = 508,311.45 × 181,034.46
  4. Step 4: Simplify right side
    338,671.26x = 92,021,888,862.57
  5. Step 5: Solve for x
    x = 92,021,888,862.57/338,671.26
  6. Step 6: Final answer
    x = 271,714.49

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.