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Finding the Fourth Proportional to 922,149.60, 1,383,224.40 and 916,244.70

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Solution

The fourth proportional to 922,149.60, 1,383,224.40 and 916,244.70 is: 1,374,367.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    922,149.60 : 1,383,224.40 = 916,244.70 : x
  2. Step 2: Convert to fraction form
    922,149.60/1,383,224.40 = 916,244.70/x
  3. Step 3: Cross multiply
    922,149.60x = 1,383,224.40 × 916,244.70
  4. Step 4: Simplify right side
    922,149.60x = 1,267,372,025,410.68
  5. Step 5: Solve for x
    x = 1,267,372,025,410.68/922,149.60
  6. Step 6: Final answer
    x = 1,374,367.05

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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.