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Finding the Fourth Proportional to 888,149.36, 1,225,652.97 and 490,340.13

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Solution

The fourth proportional to 888,149.36, 1,225,652.97 and 490,340.13 is: 676,673.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    888,149.36 : 1,225,652.97 = 490,340.13 : x
  2. Step 2: Convert to fraction form
    888,149.36/1,225,652.97 = 490,340.13/x
  3. Step 3: Cross multiply
    888,149.36x = 1,225,652.97 × 490,340.13
  4. Step 4: Simplify right side
    888,149.36x = 600,986,838,023.40
  5. Step 5: Solve for x
    x = 600,986,838,023.40/888,149.36
  6. Step 6: Final answer
    x = 676,673.17

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.