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Finding the Fourth Proportional to 382,672.20, 574,008.30 and 336,016.20

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Solution

The fourth proportional to 382,672.20, 574,008.30 and 336,016.20 is: 504,024.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    382,672.20 : 574,008.30 = 336,016.20 : x
  2. Step 2: Convert to fraction form
    382,672.20/574,008.30 = 336,016.20/x
  3. Step 3: Cross multiply
    382,672.20x = 574,008.30 × 336,016.20
  4. Step 4: Simplify right side
    382,672.20x = 192,876,087,734.46
  5. Step 5: Solve for x
    x = 192,876,087,734.46/382,672.20
  6. Step 6: Final answer
    x = 504,024.30

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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.