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Finding the Fourth Proportional to 324,669.41, 487,004.12 and 88,005.94

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Solution

The fourth proportional to 324,669.41, 487,004.12 and 88,005.94 is: 132,008.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    324,669.41 : 487,004.12 = 88,005.94 : x
  2. Step 2: Convert to fraction form
    324,669.41/487,004.12 = 88,005.94/x
  3. Step 3: Cross multiply
    324,669.41x = 487,004.12 × 88,005.94
  4. Step 4: Simplify right side
    324,669.41x = 42,859,257,023.87
  5. Step 5: Solve for x
    x = 42,859,257,023.87/324,669.41
  6. Step 6: Final answer
    x = 132,008.91

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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.