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Finding the Fourth Proportional to 220,450.83, 330,811.61 and 175,204.53

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Solution

The fourth proportional to 220,450.83, 330,811.61 and 175,204.53 is: 262,914.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,450.83 : 330,811.61 = 175,204.53 : x
  2. Step 2: Convert to fraction form
    220,450.83/330,811.61 = 175,204.53/x
  3. Step 3: Cross multiply
    220,450.83x = 330,811.61 × 175,204.53
  4. Step 4: Simplify right side
    220,450.83x = 57,959,692,648.59
  5. Step 5: Solve for x
    x = 57,959,692,648.59/220,450.83
  6. Step 6: Final answer
    x = 262,914.38

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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.