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Finding the Fourth Proportional to 359,529.68, 496,150.38 and 198,384.61

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Solution

The fourth proportional to 359,529.68, 496,150.38 and 198,384.61 is: 273,770.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    359,529.68 : 496,150.38 = 198,384.61 : x
  2. Step 2: Convert to fraction form
    359,529.68/496,150.38 = 198,384.61/x
  3. Step 3: Cross multiply
    359,529.68x = 496,150.38 × 198,384.61
  4. Step 4: Simplify right side
    359,529.68x = 98,428,596,164.98
  5. Step 5: Solve for x
    x = 98,428,596,164.98/359,529.68
  6. Step 6: Final answer
    x = 273,770.44

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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.