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Finding the Fourth Proportional to 361,987.32, 543,279.60 and 182,123.58

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Solution

The fourth proportional to 361,987.32, 543,279.60 and 182,123.58 is: 273,335.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    361,987.32 : 543,279.60 = 182,123.58 : x
  2. Step 2: Convert to fraction form
    361,987.32/543,279.60 = 182,123.58/x
  3. Step 3: Cross multiply
    361,987.32x = 543,279.60 × 182,123.58
  4. Step 4: Simplify right side
    361,987.32x = 98,944,025,692.97
  5. Step 5: Solve for x
    x = 98,944,025,692.97/361,987.32
  6. Step 6: Final answer
    x = 273,335.61

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1.5x scale

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.