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Finding the Fourth Proportional to 373,348.20, 560,022.30 and 215,884.20

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Solution

The fourth proportional to 373,348.20, 560,022.30 and 215,884.20 is: 323,826.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    373,348.20 : 560,022.30 = 215,884.20 : x
  2. Step 2: Convert to fraction form
    373,348.20/560,022.30 = 215,884.20/x
  3. Step 3: Cross multiply
    373,348.20x = 560,022.30 × 215,884.20
  4. Step 4: Simplify right side
    373,348.20x = 120,899,966,217.66
  5. Step 5: Solve for x
    x = 120,899,966,217.66/373,348.20
  6. Step 6: Final answer
    x = 323,826.30

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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.