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Finding the Fourth Proportional to 994,092.60, 1,491,138.90 and 886,265.40

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Solution

The fourth proportional to 994,092.60, 1,491,138.90 and 886,265.40 is: 1,329,398.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    994,092.60 : 1,491,138.90 = 886,265.40 : x
  2. Step 2: Convert to fraction form
    994,092.60/1,491,138.90 = 886,265.40/x
  3. Step 3: Cross multiply
    994,092.60x = 1,491,138.90 × 886,265.40
  4. Step 4: Simplify right side
    994,092.60x = 1,321,544,813,664.06
  5. Step 5: Solve for x
    x = 1,321,544,813,664.06/994,092.60
  6. Step 6: Final answer
    x = 1,329,398.10

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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.