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Finding the Fourth Proportional to 259,792.81, 358,761.69 and 245,640.29

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Solution

The fourth proportional to 259,792.81, 358,761.69 and 245,640.29 is: 339,217.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    259,792.81 : 358,761.69 = 245,640.29 : x
  2. Step 2: Convert to fraction form
    259,792.81/358,761.69 = 245,640.29/x
  3. Step 3: Cross multiply
    259,792.81x = 358,761.69 × 245,640.29
  4. Step 4: Simplify right side
    259,792.81x = 88,126,323,778.68
  5. Step 5: Solve for x
    x = 88,126,323,778.68/259,792.81
  6. Step 6: Final answer
    x = 339,217.72

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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.