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Finding the Fourth Proportional to 1,791,604.50, 2,472,414.24 and 986,788.50

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Solution

The fourth proportional to 1,791,604.50, 2,472,414.24 and 986,788.50 is: 1,361,768.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,791,604.50 : 2,472,414.24 = 986,788.50 : x
  2. Step 2: Convert to fraction form
    1,791,604.50/2,472,414.24 = 986,788.50/x
  3. Step 3: Cross multiply
    1,791,604.50x = 2,472,414.24 × 986,788.50
  4. Step 4: Simplify right side
    1,791,604.50x = 2,439,749,939,268.24
  5. Step 5: Solve for x
    x = 2,439,749,939,268.24/1,791,604.50
  6. Step 6: Final answer
    x = 1,361,768.15

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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.