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Finding the Fourth Proportional to 305,550.88, 458,319.28 and 179,987.66

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Solution

The fourth proportional to 305,550.88, 458,319.28 and 179,987.66 is: 269,977.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    305,550.88 : 458,319.28 = 179,987.66 : x
  2. Step 2: Convert to fraction form
    305,550.88/458,319.28 = 179,987.66/x
  3. Step 3: Cross multiply
    305,550.88x = 458,319.28 × 179,987.66
  4. Step 4: Simplify right side
    305,550.88x = 82,491,814,740.08
  5. Step 5: Solve for x
    x = 82,491,814,740.08/305,550.88
  6. Step 6: Final answer
    x = 269,977.34

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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.