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Finding the Fourth Proportional to 361,790.27, 499,301.24 and 200,697.22

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Solution

The fourth proportional to 361,790.27, 499,301.24 and 200,697.22 is: 276,979.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    361,790.27 : 499,301.24 = 200,697.22 : x
  2. Step 2: Convert to fraction form
    361,790.27/499,301.24 = 200,697.22/x
  3. Step 3: Cross multiply
    361,790.27x = 499,301.24 × 200,697.22
  4. Step 4: Simplify right side
    361,790.27x = 100,208,370,810.55
  5. Step 5: Solve for x
    x = 100,208,370,810.55/361,790.27
  6. Step 6: Final answer
    x = 276,979.18

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1.5x scale

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.