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Finding the Fourth Proportional to 359,674.33, 496,350.61 and 198,529.42

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Solution

The fourth proportional to 359,674.33, 496,350.61 and 198,529.42 is: 273,970.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    359,674.33 : 496,350.61 = 198,529.42 : x
  2. Step 2: Convert to fraction form
    359,674.33/496,350.61 = 198,529.42/x
  3. Step 3: Cross multiply
    359,674.33x = 496,350.61 × 198,529.42
  4. Step 4: Simplify right side
    359,674.33x = 98,540,198,595.90
  5. Step 5: Solve for x
    x = 98,540,198,595.90/359,674.33
  6. Step 6: Final answer
    x = 273,970.62

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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.