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Finding the Fourth Proportional to 313,708.57, 432,882.69 and 177,713.41

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Solution

The fourth proportional to 313,708.57, 432,882.69 and 177,713.41 is: 245,224.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    313,708.57 : 432,882.69 = 177,713.41 : x
  2. Step 2: Convert to fraction form
    313,708.57/432,882.69 = 177,713.41/x
  3. Step 3: Cross multiply
    313,708.57x = 432,882.69 × 177,713.41
  4. Step 4: Simplify right side
    313,708.57x = 76,929,058,969.87
  5. Step 5: Solve for x
    x = 76,929,058,969.87/313,708.57
  6. Step 6: Final answer
    x = 245,224.60

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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.