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Finding the Fourth Proportional to 329,486.67, 493,665.66 and 179,831.88

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Solution

The fourth proportional to 329,486.67, 493,665.66 and 179,831.88 is: 269,439.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    329,486.67 : 493,665.66 = 179,831.88 : x
  2. Step 2: Convert to fraction form
    329,486.67/493,665.66 = 179,831.88/x
  3. Step 3: Cross multiply
    329,486.67x = 493,665.66 × 179,831.88
  4. Step 4: Simplify right side
    329,486.67x = 88,776,823,729.24
  5. Step 5: Solve for x
    x = 88,776,823,729.24/329,486.67
  6. Step 6: Final answer
    x = 269,439.80

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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.