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Finding the Fourth Proportional to 361,446.92, 498,790.66 and 200,301.64

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Solution

The fourth proportional to 361,446.92, 498,790.66 and 200,301.64 is: 276,412.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    361,446.92 : 498,790.66 = 200,301.64 : x
  2. Step 2: Convert to fraction form
    361,446.92/498,790.66 = 200,301.64/x
  3. Step 3: Cross multiply
    361,446.92x = 498,790.66 × 200,301.64
  4. Step 4: Simplify right side
    361,446.92x = 99,908,587,214.68
  5. Step 5: Solve for x
    x = 99,908,587,214.68/361,446.92
  6. Step 6: Final answer
    x = 276,412.89

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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.