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Finding the Fourth Proportional to 5,866,216.40, 8,799,324.60 and 3,315,299.60

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Solution

The fourth proportional to 5,866,216.40, 8,799,324.60 and 3,315,299.60 is: 4,972,949.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,866,216.40 : 8,799,324.60 = 3,315,299.60 : x
  2. Step 2: Convert to fraction form
    5,866,216.40/8,799,324.60 = 3,315,299.60/x
  3. Step 3: Cross multiply
    5,866,216.40x = 8,799,324.60 × 3,315,299.60
  4. Step 4: Simplify right side
    5,866,216.40x = 29,172,397,326,650.16
  5. Step 5: Solve for x
    x = 29,172,397,326,650.16/5,866,216.40
  6. Step 6: Final answer
    x = 4,972,949.40

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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.