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Finding the Fourth Proportional to 443,615.58, 665,478.60 and 173,708.88

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Solution

The fourth proportional to 443,615.58, 665,478.60 and 173,708.88 is: 260,584.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    443,615.58 : 665,478.60 = 173,708.88 : x
  2. Step 2: Convert to fraction form
    443,615.58/665,478.60 = 173,708.88/x
  3. Step 3: Cross multiply
    443,615.58x = 665,478.60 × 173,708.88
  4. Step 4: Simplify right side
    443,615.58x = 115,599,542,269.97
  5. Step 5: Solve for x
    x = 115,599,542,269.97/443,615.58
  6. Step 6: Final answer
    x = 260,584.95

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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.