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Finding the Fourth Proportional to 373,568.96, 515,524.64 and 203,803.20

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Solution

The fourth proportional to 373,568.96, 515,524.64 and 203,803.20 is: 281,248.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    373,568.96 : 515,524.64 = 203,803.20 : x
  2. Step 2: Convert to fraction form
    373,568.96/515,524.64 = 203,803.20/x
  3. Step 3: Cross multiply
    373,568.96x = 515,524.64 × 203,803.20
  4. Step 4: Simplify right side
    373,568.96x = 105,065,571,310.85
  5. Step 5: Solve for x
    x = 105,065,571,310.85/373,568.96
  6. Step 6: Final answer
    x = 281,248.13

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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.