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Finding the Fourth Proportional to 409,800.88, 614,553.54 and 173,161.90

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Solution

The fourth proportional to 409,800.88, 614,553.54 and 173,161.90 is: 259,680.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    409,800.88 : 614,553.54 = 173,161.90 : x
  2. Step 2: Convert to fraction form
    409,800.88/614,553.54 = 173,161.90/x
  3. Step 3: Cross multiply
    409,800.88x = 614,553.54 × 173,161.90
  4. Step 4: Simplify right side
    409,800.88x = 106,417,258,638.13
  5. Step 5: Solve for x
    x = 106,417,258,638.13/409,800.88
  6. Step 6: Final answer
    x = 259,680.41

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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.