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Finding the Fourth Proportional to 250,548.56, 375,428.66 and 193,761.48

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Solution

The fourth proportional to 250,548.56, 375,428.66 and 193,761.48 is: 290,337.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,548.56 : 375,428.66 = 193,761.48 : x
  2. Step 2: Convert to fraction form
    250,548.56/375,428.66 = 193,761.48/x
  3. Step 3: Cross multiply
    250,548.56x = 375,428.66 × 193,761.48
  4. Step 4: Simplify right side
    250,548.56x = 72,743,612,796.02
  5. Step 5: Solve for x
    x = 72,743,612,796.02/250,548.56
  6. Step 6: Final answer
    x = 290,337.38

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.