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Finding the Fourth Proportional to 496,552,861.80, 744,829,292.70 and 442,027,015.20

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Solution

The fourth proportional to 496,552,861.80, 744,829,292.70 and 442,027,015.20 is: 663,040,522.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    496,552,861.80 : 744,829,292.70 = 442,027,015.20 : x
  2. Step 2: Convert to fraction form
    496,552,861.80/744,829,292.70 = 442,027,015.20/x
  3. Step 3: Cross multiply
    496,552,861.80x = 744,829,292.70 × 442,027,015.20
  4. Step 4: Simplify right side
    496,552,861.80x = 329,234,669,085,708,160
  5. Step 5: Solve for x
    x = 329,234,669,085,708,160/496,552,861.80
  6. Step 6: Final answer
    x = 663,040,522.80

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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.