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Finding the Fourth Proportional to 324,670.91, 487,006.37 and 88,007.44

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Solution

The fourth proportional to 324,670.91, 487,006.37 and 88,007.44 is: 132,011.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    324,670.91 : 487,006.37 = 88,007.44 : x
  2. Step 2: Convert to fraction form
    324,670.91/487,006.37 = 88,007.44/x
  3. Step 3: Cross multiply
    324,670.91x = 487,006.37 × 88,007.44
  4. Step 4: Simplify right side
    324,670.91x = 42,860,183,887.39
  5. Step 5: Solve for x
    x = 42,860,183,887.39/324,670.91
  6. Step 6: Final answer
    x = 132,011.16

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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.