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Finding the Fourth Proportional to 373,360.20, 560,040.30 and 215,896.20

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Solution

The fourth proportional to 373,360.20, 560,040.30 and 215,896.20 is: 323,844.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    373,360.20 : 560,040.30 = 215,896.20 : x
  2. Step 2: Convert to fraction form
    373,360.20/560,040.30 = 215,896.20/x
  3. Step 3: Cross multiply
    373,360.20x = 560,040.30 × 215,896.20
  4. Step 4: Simplify right side
    373,360.20x = 120,910,572,616.86
  5. Step 5: Solve for x
    x = 120,910,572,616.86/373,360.20
  6. Step 6: Final answer
    x = 323,844.30

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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.