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Finding the Fourth Proportional to 400,298.46, 600,446.07 and 160,519.56

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Solution

The fourth proportional to 400,298.46, 600,446.07 and 160,519.56 is: 240,778.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    400,298.46 : 600,446.07 = 160,519.56 : x
  2. Step 2: Convert to fraction form
    400,298.46/600,446.07 = 160,519.56/x
  3. Step 3: Cross multiply
    400,298.46x = 600,446.07 × 160,519.56
  4. Step 4: Simplify right side
    400,298.46x = 96,383,338,960.13
  5. Step 5: Solve for x
    x = 96,383,338,960.13/400,298.46
  6. Step 6: Final answer
    x = 240,778.69

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.