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Finding the Fourth Proportional to 622,883.10, 934,324.65 and 611,073.30

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Solution

The fourth proportional to 622,883.10, 934,324.65 and 611,073.30 is: 916,609.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    622,883.10 : 934,324.65 = 611,073.30 : x
  2. Step 2: Convert to fraction form
    622,883.10/934,324.65 = 611,073.30/x
  3. Step 3: Cross multiply
    622,883.10x = 934,324.65 × 611,073.30
  4. Step 4: Simplify right side
    622,883.10x = 570,940,847,146.85
  5. Step 5: Solve for x
    x = 570,940,847,146.85/622,883.10
  6. Step 6: Final answer
    x = 916,609.95

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Similar ratio
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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.