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Finding the Fourth Proportional to 347,991.59, 480,205.67 and 204,723.96

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Solution

The fourth proportional to 347,991.59, 480,205.67 and 204,723.96 is: 282,505.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    347,991.59 : 480,205.67 = 204,723.96 : x
  2. Step 2: Convert to fraction form
    347,991.59/480,205.67 = 204,723.96/x
  3. Step 3: Cross multiply
    347,991.59x = 480,205.67 × 204,723.96
  4. Step 4: Simplify right side
    347,991.59x = 98,309,603,552.46
  5. Step 5: Solve for x
    x = 98,309,603,552.46/347,991.59
  6. Step 6: Final answer
    x = 282,505.69

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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.