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Finding the Fourth Proportional to 454,281.65, 626,912.87 and 250,339.86

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Solution

The fourth proportional to 454,281.65, 626,912.87 and 250,339.86 is: 345,471.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    454,281.65 : 626,912.87 = 250,339.86 : x
  2. Step 2: Convert to fraction form
    454,281.65/626,912.87 = 250,339.86/x
  3. Step 3: Cross multiply
    454,281.65x = 626,912.87 × 250,339.86
  4. Step 4: Simplify right side
    454,281.65x = 156,941,278,856.30
  5. Step 5: Solve for x
    x = 156,941,278,856.30/454,281.65
  6. Step 6: Final answer
    x = 345,471.32

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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.