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Finding the Fourth Proportional to 373,517.35, 515,453.33 and 203,751.47

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Solution

The fourth proportional to 373,517.35, 515,453.33 and 203,751.47 is: 281,176.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    373,517.35 : 515,453.33 = 203,751.47 : x
  2. Step 2: Convert to fraction form
    373,517.35/515,453.33 = 203,751.47/x
  3. Step 3: Cross multiply
    373,517.35x = 515,453.33 × 203,751.47
  4. Step 4: Simplify right side
    373,517.35x = 105,024,375,501.91
  5. Step 5: Solve for x
    x = 105,024,375,501.91/373,517.35
  6. Step 6: Final answer
    x = 281,176.70

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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.