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Finding the Fourth Proportional to 330,691.53, 456,352.06 and 179,788.53

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Solution

The fourth proportional to 330,691.53, 456,352.06 and 179,788.53 is: 248,106.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    330,691.53 : 456,352.06 = 179,788.53 : x
  2. Step 2: Convert to fraction form
    330,691.53/456,352.06 = 179,788.53/x
  3. Step 3: Cross multiply
    330,691.53x = 456,352.06 × 179,788.53
  4. Step 4: Simplify right side
    330,691.53x = 82,046,866,029.87
  5. Step 5: Solve for x
    x = 82,046,866,029.87/330,691.53
  6. Step 6: Final answer
    x = 248,106.95

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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.