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Finding the Fourth Proportional to 496,385.83, 744,788.73 and 271,483.70

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Solution

The fourth proportional to 496,385.83, 744,788.73 and 271,483.70 is: 407,340.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    496,385.83 : 744,788.73 = 271,483.70 : x
  2. Step 2: Convert to fraction form
    496,385.83/744,788.73 = 271,483.70/x
  3. Step 3: Cross multiply
    496,385.83x = 744,788.73 × 271,483.70
  4. Step 4: Simplify right side
    496,385.83x = 202,198,000,138.70
  5. Step 5: Solve for x
    x = 202,198,000,138.70/496,385.83
  6. Step 6: Final answer
    x = 407,340.40

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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.