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Finding the Fourth Proportional to 372,616.33, 514,277.60 and 219,645.44

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Solution

The fourth proportional to 372,616.33, 514,277.60 and 219,645.44 is: 303,150.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    372,616.33 : 514,277.60 = 219,645.44 : x
  2. Step 2: Convert to fraction form
    372,616.33/514,277.60 = 219,645.44/x
  3. Step 3: Cross multiply
    372,616.33x = 514,277.60 × 219,645.44
  4. Step 4: Simplify right side
    372,616.33x = 112,958,729,734.14
  5. Step 5: Solve for x
    x = 112,958,729,734.14/372,616.33
  6. Step 6: Final answer
    x = 303,150.24

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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.