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Finding the Fourth Proportional to 291,446.10, 437,169.15 and 166,799.70

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Solution

The fourth proportional to 291,446.10, 437,169.15 and 166,799.70 is: 250,199.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    291,446.10 : 437,169.15 = 166,799.70 : x
  2. Step 2: Convert to fraction form
    291,446.10/437,169.15 = 166,799.70/x
  3. Step 3: Cross multiply
    291,446.10x = 437,169.15 × 166,799.70
  4. Step 4: Simplify right side
    291,446.10x = 72,919,683,069.26
  5. Step 5: Solve for x
    x = 72,919,683,069.26/291,446.10
  6. Step 6: Final answer
    x = 250,199.55

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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.