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Finding the Fourth Proportional to 647,104.15, 970,656.23 and 332,176.15

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Solution

The fourth proportional to 647,104.15, 970,656.23 and 332,176.15 is: 498,264.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    647,104.15 : 970,656.23 = 332,176.15 : x
  2. Step 2: Convert to fraction form
    647,104.15/970,656.23 = 332,176.15/x
  3. Step 3: Cross multiply
    647,104.15x = 970,656.23 × 332,176.15
  4. Step 4: Simplify right side
    647,104.15x = 322,428,847,794.03
  5. Step 5: Solve for x
    x = 322,428,847,794.03/647,104.15
  6. Step 6: Final answer
    x = 498,264.23

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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.