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Finding the Fourth Proportional to 496,617.30, 746,481.15 and 487,286.10

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Solution

The fourth proportional to 496,617.30, 746,481.15 and 487,286.10 is: 732,455.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    496,617.30 : 746,481.15 = 487,286.10 : x
  2. Step 2: Convert to fraction form
    496,617.30/746,481.15 = 487,286.10/x
  3. Step 3: Cross multiply
    496,617.30x = 746,481.15 × 487,286.10
  4. Step 4: Simplify right side
    496,617.30x = 363,749,888,307.02
  5. Step 5: Solve for x
    x = 363,749,888,307.02/496,617.30
  6. Step 6: Final answer
    x = 732,455.13

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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.