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Finding the Fourth Proportional to 350,968.88, 484,337.13 and 198,039.53

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Solution

The fourth proportional to 350,968.88, 484,337.13 and 198,039.53 is: 273,294.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    350,968.88 : 484,337.13 = 198,039.53 : x
  2. Step 2: Convert to fraction form
    350,968.88/484,337.13 = 198,039.53/x
  3. Step 3: Cross multiply
    350,968.88x = 484,337.13 × 198,039.53
  4. Step 4: Simplify right side
    350,968.88x = 95,917,897,586.75
  5. Step 5: Solve for x
    x = 95,917,897,586.75/350,968.88
  6. Step 6: Final answer
    x = 273,294.59

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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.