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Finding the Fourth Proportional to 359,785.01, 496,504.05 and 198,640.37

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Solution

The fourth proportional to 359,785.01, 496,504.05 and 198,640.37 is: 274,124.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    359,785.01 : 496,504.05 = 198,640.37 : x
  2. Step 2: Convert to fraction form
    359,785.01/496,504.05 = 198,640.37/x
  3. Step 3: Cross multiply
    359,785.01x = 496,504.05 × 198,640.37
  4. Step 4: Simplify right side
    359,785.01x = 98,625,748,415.79
  5. Step 5: Solve for x
    x = 98,625,748,415.79/359,785.01
  6. Step 6: Final answer
    x = 274,124.12

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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.