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Finding the Fourth Proportional to 361,648.14, 499,073.58 and 200,499.06

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Solution

The fourth proportional to 361,648.14, 499,073.58 and 200,499.06 is: 276,688.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    361,648.14 : 499,073.58 = 200,499.06 : x
  2. Step 2: Convert to fraction form
    361,648.14/499,073.58 = 200,499.06/x
  3. Step 3: Cross multiply
    361,648.14x = 499,073.58 × 200,499.06
  4. Step 4: Simplify right side
    361,648.14x = 100,063,783,660.84
  5. Step 5: Solve for x
    x = 100,063,783,660.84/361,648.14
  6. Step 6: Final answer
    x = 276,688.23

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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.