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Finding the Fourth Proportional to 267,887.20, 401,247.60 and 162,522.40

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Solution

The fourth proportional to 267,887.20, 401,247.60 and 162,522.40 is: 243,429.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    267,887.20 : 401,247.60 = 162,522.40 : x
  2. Step 2: Convert to fraction form
    267,887.20/401,247.60 = 162,522.40/x
  3. Step 3: Cross multiply
    267,887.20x = 401,247.60 × 162,522.40
  4. Step 4: Simplify right side
    267,887.20x = 65,211,722,946.24
  5. Step 5: Solve for x
    x = 65,211,722,946.24/267,887.20
  6. Step 6: Final answer
    x = 243,429.78

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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.