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Finding the Fourth Proportional to 329,538.48, 454,766.04 and 178,635.44

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Solution

The fourth proportional to 329,538.48, 454,766.04 and 178,635.44 is: 246,518.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    329,538.48 : 454,766.04 = 178,635.44 : x
  2. Step 2: Convert to fraction form
    329,538.48/454,766.04 = 178,635.44/x
  3. Step 3: Cross multiply
    329,538.48x = 454,766.04 × 178,635.44
  4. Step 4: Simplify right side
    329,538.48x = 81,237,331,652.46
  5. Step 5: Solve for x
    x = 81,237,331,652.46/329,538.48
  6. Step 6: Final answer
    x = 246,518.50

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.