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Finding the Fourth Proportional to 496,763.86, 744,559.08 and 212,371.24

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Solution

The fourth proportional to 496,763.86, 744,559.08 and 212,371.24 is: 318,306.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    496,763.86 : 744,559.08 = 212,371.24 : x
  2. Step 2: Convert to fraction form
    496,763.86/744,559.08 = 212,371.24/x
  3. Step 3: Cross multiply
    496,763.86x = 744,559.08 × 212,371.24
  4. Step 4: Simplify right side
    496,763.86x = 158,122,935,072.86
  5. Step 5: Solve for x
    x = 158,122,935,072.86/496,763.86
  6. Step 6: Final answer
    x = 318,306.04

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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.