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Finding the Fourth Proportional to 844,652.82, 1,165,639.71 and 482,069.40

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Solution

The fourth proportional to 844,652.82, 1,165,639.71 and 482,069.40 is: 665,266.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    844,652.82 : 1,165,639.71 = 482,069.40 : x
  2. Step 2: Convert to fraction form
    844,652.82/1,165,639.71 = 482,069.40/x
  3. Step 3: Cross multiply
    844,652.82x = 1,165,639.71 × 482,069.40
  4. Step 4: Simplify right side
    844,652.82x = 561,919,235,615.87
  5. Step 5: Solve for x
    x = 561,919,235,615.87/844,652.82
  6. Step 6: Final answer
    x = 665,266.51

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Why These Related Problems?

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