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Finding the Fourth Proportional to 844,594.40, 1,165,544.16 and 462,620

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Solution

The fourth proportional to 844,594.40, 1,165,544.16 and 462,620 is: 638,417.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    844,594.40 : 1,165,544.16 = 462,620 : x
  2. Step 2: Convert to fraction form
    844,594.40/1,165,544.16 = 462,620/x
  3. Step 3: Cross multiply
    844,594.40x = 1,165,544.16 × 462,620
  4. Step 4: Simplify right side
    844,594.40x = 539,204,039,299.20
  5. Step 5: Solve for x
    x = 539,204,039,299.20/844,594.40
  6. Step 6: Final answer
    x = 638,417.73

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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.