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Finding the Fourth Proportional to 293,894.76, 405,619.08 and 179,239.92

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Solution

The fourth proportional to 293,894.76, 405,619.08 and 179,239.92 is: 247,378.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    293,894.76 : 405,619.08 = 179,239.92 : x
  2. Step 2: Convert to fraction form
    293,894.76/405,619.08 = 179,239.92/x
  3. Step 3: Cross multiply
    293,894.76x = 405,619.08 × 179,239.92
  4. Step 4: Simplify right side
    293,894.76x = 72,703,131,449.67
  5. Step 5: Solve for x
    x = 72,703,131,449.67/293,894.76
  6. Step 6: Final answer
    x = 247,378.11

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.