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Finding the Fourth Proportional to 490,963.24, 735,841.82 and 254,170.92

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Solution

The fourth proportional to 490,963.24, 735,841.82 and 254,170.92 is: 380,944.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    490,963.24 : 735,841.82 = 254,170.92 : x
  2. Step 2: Convert to fraction form
    490,963.24/735,841.82 = 254,170.92/x
  3. Step 3: Cross multiply
    490,963.24x = 735,841.82 × 254,170.92
  4. Step 4: Simplify right side
    490,963.24x = 187,029,592,363.87
  5. Step 5: Solve for x
    x = 187,029,592,363.87/490,963.24
  6. Step 6: Final answer
    x = 380,944.19

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1.5x scale

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.