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Finding the Fourth Proportional to 267,388.16, 401,082.24 and 217,230.08

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Solution

The fourth proportional to 267,388.16, 401,082.24 and 217,230.08 is: 325,845.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    267,388.16 : 401,082.24 = 217,230.08 : x
  2. Step 2: Convert to fraction form
    267,388.16/401,082.24 = 217,230.08/x
  3. Step 3: Cross multiply
    267,388.16x = 401,082.24 × 217,230.08
  4. Step 4: Simplify right side
    267,388.16x = 87,127,127,081.78
  5. Step 5: Solve for x
    x = 87,127,127,081.78/267,388.16
  6. Step 6: Final answer
    x = 325,845.12

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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.