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Finding the Fourth Proportional to 982,650.60, 1,470,476.70 and 681,719.40

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Solution

The fourth proportional to 982,650.60, 1,470,476.70 and 681,719.40 is: 1,020,151.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    982,650.60 : 1,470,476.70 = 681,719.40 : x
  2. Step 2: Convert to fraction form
    982,650.60/1,470,476.70 = 681,719.40/x
  3. Step 3: Cross multiply
    982,650.60x = 1,470,476.70 × 681,719.40
  4. Step 4: Simplify right side
    982,650.60x = 1,002,452,493,637.98
  5. Step 5: Solve for x
    x = 1,002,452,493,637.98/982,650.60
  6. Step 6: Final answer
    x = 1,020,151.51

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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.