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Finding the Fourth Proportional to 324,697.25, 487,044.66 and 88,039.28

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Solution

The fourth proportional to 324,697.25, 487,044.66 and 88,039.28 is: 132,058.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    324,697.25 : 487,044.66 = 88,039.28 : x
  2. Step 2: Convert to fraction form
    324,697.25/487,044.66 = 88,039.28/x
  3. Step 3: Cross multiply
    324,697.25x = 487,044.66 × 88,039.28
  4. Step 4: Simplify right side
    324,697.25x = 42,879,061,194.24
  5. Step 5: Solve for x
    x = 42,879,061,194.24/324,697.25
  6. Step 6: Final answer
    x = 132,058.59

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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.