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Finding the Fourth Proportional to 373,991.67, 516,110.40 and 204,225.84

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Solution

The fourth proportional to 373,991.67, 516,110.40 and 204,225.84 is: 281,832.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    373,991.67 : 516,110.40 = 204,225.84 : x
  2. Step 2: Convert to fraction form
    373,991.67/516,110.40 = 204,225.84/x
  3. Step 3: Cross multiply
    373,991.67x = 516,110.40 × 204,225.84
  4. Step 4: Simplify right side
    373,991.67x = 105,403,079,972.74
  5. Step 5: Solve for x
    x = 105,403,079,972.74/373,991.67
  6. Step 6: Final answer
    x = 281,832.69

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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.