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Finding the Fourth Proportional to 359,909.44, 496,735.80 and 209,093.92

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Solution

The fourth proportional to 359,909.44, 496,735.80 and 209,093.92 is: 288,584.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    359,909.44 : 496,735.80 = 209,093.92 : x
  2. Step 2: Convert to fraction form
    359,909.44/496,735.80 = 209,093.92/x
  3. Step 3: Cross multiply
    359,909.44x = 496,735.80 × 209,093.92
  4. Step 4: Simplify right side
    359,909.44x = 103,864,435,626.34
  5. Step 5: Solve for x
    x = 103,864,435,626.34/359,909.44
  6. Step 6: Final answer
    x = 288,584.92

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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.