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Finding the Fourth Proportional to 431,793.72, 595,718.28 and 250,405.56

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Solution

The fourth proportional to 431,793.72, 595,718.28 and 250,405.56 is: 345,468.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    431,793.72 : 595,718.28 = 250,405.56 : x
  2. Step 2: Convert to fraction form
    431,793.72/595,718.28 = 250,405.56/x
  3. Step 3: Cross multiply
    431,793.72x = 595,718.28 × 250,405.56
  4. Step 4: Simplify right side
    431,793.72x = 149,171,169,505.64
  5. Step 5: Solve for x
    x = 149,171,169,505.64/431,793.72
  6. Step 6: Final answer
    x = 345,468.59

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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.