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Finding the Fourth Proportional to 324,911.62, 448,347.94 and 179,714.28

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Solution

The fourth proportional to 324,911.62, 448,347.94 and 179,714.28 is: 247,989.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    324,911.62 : 448,347.94 = 179,714.28 : x
  2. Step 2: Convert to fraction form
    324,911.62/448,347.94 = 179,714.28/x
  3. Step 3: Cross multiply
    324,911.62x = 448,347.94 × 179,714.28
  4. Step 4: Simplify right side
    324,911.62x = 80,574,525,769.92
  5. Step 5: Solve for x
    x = 80,574,525,769.92/324,911.62
  6. Step 6: Final answer
    x = 247,989.05

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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.