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Finding the Fourth Proportional to 373,567.85, 515,529.41 and 203,801.97

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Solution

The fourth proportional to 373,567.85, 515,529.41 and 203,801.97 is: 281,249.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    373,567.85 : 515,529.41 = 203,801.97 : x
  2. Step 2: Convert to fraction form
    373,567.85/515,529.41 = 203,801.97/x
  3. Step 3: Cross multiply
    373,567.85x = 515,529.41 × 203,801.97
  4. Step 4: Simplify right side
    373,567.85x = 105,065,908,331.93
  5. Step 5: Solve for x
    x = 105,065,908,331.93/373,567.85
  6. Step 6: Final answer
    x = 281,249.87

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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.