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Finding the Fourth Proportional to 622,216.80, 930,992.40 and 566,229.60

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Solution

The fourth proportional to 622,216.80, 930,992.40 and 566,229.60 is: 847,221.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    622,216.80 : 930,992.40 = 566,229.60 : x
  2. Step 2: Convert to fraction form
    622,216.80/930,992.40 = 566,229.60/x
  3. Step 3: Cross multiply
    622,216.80x = 930,992.40 × 566,229.60
  4. Step 4: Simplify right side
    622,216.80x = 527,155,454,255.04
  5. Step 5: Solve for x
    x = 527,155,454,255.04/622,216.80
  6. Step 6: Final answer
    x = 847,221.51

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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.