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Finding the Fourth Proportional to 288,082.30, 431,605.05 and 246,610.30

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Solution

The fourth proportional to 288,082.30, 431,605.05 and 246,610.30 is: 369,471.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    288,082.30 : 431,605.05 = 246,610.30 : x
  2. Step 2: Convert to fraction form
    288,082.30/431,605.05 = 246,610.30/x
  3. Step 3: Cross multiply
    288,082.30x = 431,605.05 × 246,610.30
  4. Step 4: Simplify right side
    288,082.30x = 106,438,250,862.02
  5. Step 5: Solve for x
    x = 106,438,250,862.02/288,082.30
  6. Step 6: Final answer
    x = 369,471.68

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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.