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Finding the Fourth Proportional to 431,471.36, 595,298.52 and 250,147.11

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Solution

The fourth proportional to 431,471.36, 595,298.52 and 250,147.11 is: 345,126.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    431,471.36 : 595,298.52 = 250,147.11 : x
  2. Step 2: Convert to fraction form
    431,471.36/595,298.52 = 250,147.11/x
  3. Step 3: Cross multiply
    431,471.36x = 595,298.52 × 250,147.11
  4. Step 4: Simplify right side
    431,471.36x = 148,912,204,365.28
  5. Step 5: Solve for x
    x = 148,912,204,365.28/431,471.36
  6. Step 6: Final answer
    x = 345,126.51

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.