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Finding the Fourth Proportional to 267,372.20, 401,000.70 and 117,612.20

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Solution

The fourth proportional to 267,372.20, 401,000.70 and 117,612.20 is: 176,392.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    267,372.20 : 401,000.70 = 117,612.20 : x
  2. Step 2: Convert to fraction form
    267,372.20/401,000.70 = 117,612.20/x
  3. Step 3: Cross multiply
    267,372.20x = 401,000.70 × 117,612.20
  4. Step 4: Simplify right side
    267,372.20x = 47,162,574,528.54
  5. Step 5: Solve for x
    x = 47,162,574,528.54/267,372.20
  6. Step 6: Final answer
    x = 176,392.96

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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.