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Finding the Fourth Proportional to 373,500.76, 515,432.67 and 203,738.53

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Solution

The fourth proportional to 373,500.76, 515,432.67 and 203,738.53 is: 281,160.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    373,500.76 : 515,432.67 = 203,738.53 : x
  2. Step 2: Convert to fraction form
    373,500.76/515,432.67 = 203,738.53/x
  3. Step 3: Cross multiply
    373,500.76x = 515,432.67 × 203,738.53
  4. Step 4: Simplify right side
    373,500.76x = 105,013,494,499.78
  5. Step 5: Solve for x
    x = 105,013,494,499.78/373,500.76
  6. Step 6: Final answer
    x = 281,160.06

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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.