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Finding the Fourth Proportional to 361,404.72, 498,749.45 and 200,244.69

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Solution

The fourth proportional to 361,404.72, 498,749.45 and 200,244.69 is: 276,343.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    361,404.72 : 498,749.45 = 200,244.69 : x
  2. Step 2: Convert to fraction form
    361,404.72/498,749.45 = 200,244.69/x
  3. Step 3: Cross multiply
    361,404.72x = 498,749.45 × 200,244.69
  4. Step 4: Simplify right side
    361,404.72x = 99,871,928,001.70
  5. Step 5: Solve for x
    x = 99,871,928,001.70/361,404.72
  6. Step 6: Final answer
    x = 276,343.73

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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.