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Finding the Fourth Proportional to 496,616.30, 746,479.65 and 487,285.10

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Solution

The fourth proportional to 496,616.30, 746,479.65 and 487,285.10 is: 732,453.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    496,616.30 : 746,479.65 = 487,285.10 : x
  2. Step 2: Convert to fraction form
    496,616.30/746,479.65 = 487,285.10/x
  3. Step 3: Cross multiply
    496,616.30x = 746,479.65 × 487,285.10
  4. Step 4: Simplify right side
    496,616.30x = 363,748,410,898.22
  5. Step 5: Solve for x
    x = 363,748,410,898.22/496,616.30
  6. Step 6: Final answer
    x = 732,453.63

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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.