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Finding the Fourth Proportional to 622,198.80, 930,965.40 and 566,211.60

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Solution

The fourth proportional to 622,198.80, 930,965.40 and 566,211.60 is: 847,194.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    622,198.80 : 930,965.40 = 566,211.60 : x
  2. Step 2: Convert to fraction form
    622,198.80/930,965.40 = 566,211.60/x
  3. Step 3: Cross multiply
    622,198.80x = 930,965.40 × 566,211.60
  4. Step 4: Simplify right side
    622,198.80x = 527,123,408,678.64
  5. Step 5: Solve for x
    x = 527,123,408,678.64/622,198.80
  6. Step 6: Final answer
    x = 847,194.51

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1.5x scale

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.