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Finding the Fourth Proportional to 220,468.40, 330,119.40 and 173,423.60

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Solution

The fourth proportional to 220,468.40, 330,119.40 and 173,423.60 is: 259,676.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,468.40 : 330,119.40 = 173,423.60 : x
  2. Step 2: Convert to fraction form
    220,468.40/330,119.40 = 173,423.60/x
  3. Step 3: Cross multiply
    220,468.40x = 330,119.40 × 173,423.60
  4. Step 4: Simplify right side
    220,468.40x = 57,250,494,777.84
  5. Step 5: Solve for x
    x = 57,250,494,777.84/220,468.40
  6. Step 6: Final answer
    x = 259,676.65

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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.