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Finding the Fourth Proportional to 922,022.40, 1,383,033.60 and 866,035.20

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Solution

The fourth proportional to 922,022.40, 1,383,033.60 and 866,035.20 is: 1,299,052.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    922,022.40 : 1,383,033.60 = 866,035.20 : x
  2. Step 2: Convert to fraction form
    922,022.40/1,383,033.60 = 866,035.20/x
  3. Step 3: Cross multiply
    922,022.40x = 1,383,033.60 × 866,035.20
  4. Step 4: Simplify right side
    922,022.40x = 1,197,755,780,382.72
  5. Step 5: Solve for x
    x = 1,197,755,780,382.72/922,022.40
  6. Step 6: Final answer
    x = 1,299,052.80

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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.