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Finding the Fourth Proportional to 496,765.86, 744,562.08 and 212,373.24

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Solution

The fourth proportional to 496,765.86, 744,562.08 and 212,373.24 is: 318,309.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    496,765.86 : 744,562.08 = 212,373.24 : x
  2. Step 2: Convert to fraction form
    496,765.86/744,562.08 = 212,373.24/x
  3. Step 3: Cross multiply
    496,765.86x = 744,562.08 × 212,373.24
  4. Step 4: Simplify right side
    496,765.86x = 158,125,061,310.74
  5. Step 5: Solve for x
    x = 158,125,061,310.74/496,765.86
  6. Step 6: Final answer
    x = 318,309.03

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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.