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Finding the Fourth Proportional to 2,650,483.92, 3,976,193.40 and 969,934.80

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Solution

The fourth proportional to 2,650,483.92, 3,976,193.40 and 969,934.80 is: 1,455,073.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,650,483.92 : 3,976,193.40 = 969,934.80 : x
  2. Step 2: Convert to fraction form
    2,650,483.92/3,976,193.40 = 969,934.80/x
  3. Step 3: Cross multiply
    2,650,483.92x = 3,976,193.40 × 969,934.80
  4. Step 4: Simplify right side
    2,650,483.92x = 3,856,648,350,190.32
  5. Step 5: Solve for x
    x = 3,856,648,350,190.32/2,650,483.92
  6. Step 6: Final answer
    x = 1,455,073.29

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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.