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Finding the Fourth Proportional to 483,517.74, 725,104.98 and 141,865.80

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Solution

The fourth proportional to 483,517.74, 725,104.98 and 141,865.80 is: 212,748.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    483,517.74 : 725,104.98 = 141,865.80 : x
  2. Step 2: Convert to fraction form
    483,517.74/725,104.98 = 141,865.80/x
  3. Step 3: Cross multiply
    483,517.74x = 725,104.98 × 141,865.80
  4. Step 4: Simplify right side
    483,517.74x = 102,867,598,071.68
  5. Step 5: Solve for x
    x = 102,867,598,071.68/483,517.74
  6. Step 6: Final answer
    x = 212,748.34

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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.