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Finding the Fourth Proportional to 359,697.94, 496,380.36 and 198,553.04

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Solution

The fourth proportional to 359,697.94, 496,380.36 and 198,553.04 is: 274,001.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    359,697.94 : 496,380.36 = 198,553.04 : x
  2. Step 2: Convert to fraction form
    359,697.94/496,380.36 = 198,553.04/x
  3. Step 3: Cross multiply
    359,697.94x = 496,380.36 × 198,553.04
  4. Step 4: Simplify right side
    359,697.94x = 98,557,829,474.29
  5. Step 5: Solve for x
    x = 98,557,829,474.29/359,697.94
  6. Step 6: Final answer
    x = 274,001.65

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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.