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Finding the Fourth Proportional to 3,974,562.90, 5,961,844.35 and 982,746.90

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Solution

The fourth proportional to 3,974,562.90, 5,961,844.35 and 982,746.90 is: 1,474,120.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,974,562.90 : 5,961,844.35 = 982,746.90 : x
  2. Step 2: Convert to fraction form
    3,974,562.90/5,961,844.35 = 982,746.90/x
  3. Step 3: Cross multiply
    3,974,562.90x = 5,961,844.35 × 982,746.90
  4. Step 4: Simplify right side
    3,974,562.90x = 5,858,984,053,245.02
  5. Step 5: Solve for x
    x = 5,858,984,053,245.02/3,974,562.90
  6. Step 6: Final answer
    x = 1,474,120.35

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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.