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Finding the Fourth Proportional to 362,118.70, 543,178.05 and 229,149.10

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Solution

The fourth proportional to 362,118.70, 543,178.05 and 229,149.10 is: 343,723.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    362,118.70 : 543,178.05 = 229,149.10 : x
  2. Step 2: Convert to fraction form
    362,118.70/543,178.05 = 229,149.10/x
  3. Step 3: Cross multiply
    362,118.70x = 543,178.05 × 229,149.10
  4. Step 4: Simplify right side
    362,118.70x = 124,468,761,297.26
  5. Step 5: Solve for x
    x = 124,468,761,297.26/362,118.70
  6. Step 6: Final answer
    x = 343,723.65

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Similar ratio
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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.