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Finding the Fourth Proportional to 359,449.92, 496,037.70 and 198,306.36

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Solution

The fourth proportional to 359,449.92, 496,037.70 and 198,306.36 is: 273,661.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    359,449.92 : 496,037.70 = 198,306.36 : x
  2. Step 2: Convert to fraction form
    359,449.92/496,037.70 = 198,306.36/x
  3. Step 3: Cross multiply
    359,449.92x = 496,037.70 × 198,306.36
  4. Step 4: Simplify right side
    359,449.92x = 98,367,430,709.77
  5. Step 5: Solve for x
    x = 98,367,430,709.77/359,449.92
  6. Step 6: Final answer
    x = 273,661.02

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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.