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Finding the Fourth Proportional to 363,028.60, 543,506.10 and 352,660.60

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Solution

The fourth proportional to 363,028.60, 543,506.10 and 352,660.60 is: 527,983.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    363,028.60 : 543,506.10 = 352,660.60 : x
  2. Step 2: Convert to fraction form
    363,028.60/543,506.10 = 352,660.60/x
  3. Step 3: Cross multiply
    363,028.60x = 543,506.10 × 352,660.60
  4. Step 4: Simplify right side
    363,028.60x = 191,673,187,329.66
  5. Step 5: Solve for x
    x = 191,673,187,329.66/363,028.60
  6. Step 6: Final answer
    x = 527,983.71

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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.