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Finding the Fourth Proportional to 363,517.45, 501,580.80 and 220,194.23

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Solution

The fourth proportional to 363,517.45, 501,580.80 and 220,194.23 is: 303,823.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    363,517.45 : 501,580.80 = 220,194.23 : x
  2. Step 2: Convert to fraction form
    363,517.45/501,580.80 = 220,194.23/x
  3. Step 3: Cross multiply
    363,517.45x = 501,580.80 × 220,194.23
  4. Step 4: Simplify right side
    363,517.45x = 110,445,198,038.78
  5. Step 5: Solve for x
    x = 110,445,198,038.78/363,517.45
  6. Step 6: Final answer
    x = 303,823.65

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.