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Finding the Fourth Proportional to 373,586.67, 515,682.72 and 220,625.49

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Solution

The fourth proportional to 373,586.67, 515,682.72 and 220,625.49 is: 304,541.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    373,586.67 : 515,682.72 = 220,625.49 : x
  2. Step 2: Convert to fraction form
    373,586.67/515,682.72 = 220,625.49/x
  3. Step 3: Cross multiply
    373,586.67x = 515,682.72 × 220,625.49
  4. Step 4: Simplify right side
    373,586.67x = 113,772,752,784.53
  5. Step 5: Solve for x
    x = 113,772,752,784.53/373,586.67
  6. Step 6: Final answer
    x = 304,541.79

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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.