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Finding the Fourth Proportional to 431,343.15, 595,255.92 and 250,162.52

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Solution

The fourth proportional to 431,343.15, 595,255.92 and 250,162.52 is: 345,225.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    431,343.15 : 595,255.92 = 250,162.52 : x
  2. Step 2: Convert to fraction form
    431,343.15/595,255.92 = 250,162.52/x
  3. Step 3: Cross multiply
    431,343.15x = 595,255.92 × 250,162.52
  4. Step 4: Simplify right side
    431,343.15x = 148,910,718,015.84
  5. Step 5: Solve for x
    x = 148,910,718,015.84/431,343.15
  6. Step 6: Final answer
    x = 345,225.65

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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.