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Finding the Fourth Proportional to 359,644.02, 496,273.41 and 198,488.66

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Solution

The fourth proportional to 359,644.02, 496,273.41 and 198,488.66 is: 273,894.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    359,644.02 : 496,273.41 = 198,488.66 : x
  2. Step 2: Convert to fraction form
    359,644.02/496,273.41 = 198,488.66/x
  3. Step 3: Cross multiply
    359,644.02x = 496,273.41 × 198,488.66
  4. Step 4: Simplify right side
    359,644.02x = 98,504,641,663.16
  5. Step 5: Solve for x
    x = 98,504,641,663.16/359,644.02
  6. Step 6: Final answer
    x = 273,894.84

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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.