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Finding the Fourth Proportional to 361,790.52, 499,301.59 and 200,697.47

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Solution

The fourth proportional to 361,790.52, 499,301.59 and 200,697.47 is: 276,979.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    361,790.52 : 499,301.59 = 200,697.47 : x
  2. Step 2: Convert to fraction form
    361,790.52/499,301.59 = 200,697.47/x
  3. Step 3: Cross multiply
    361,790.52x = 499,301.59 × 200,697.47
  4. Step 4: Simplify right side
    361,790.52x = 100,208,566,626.49
  5. Step 5: Solve for x
    x = 100,208,566,626.49/361,790.52
  6. Step 6: Final answer
    x = 276,979.53

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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.