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Finding the Fourth Proportional to 324,763.05, 487,448.33 and 164,953.29

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Solution

The fourth proportional to 324,763.05, 487,448.33 and 164,953.29 is: 247,584.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    324,763.05 : 487,448.33 = 164,953.29 : x
  2. Step 2: Convert to fraction form
    324,763.05/487,448.33 = 164,953.29/x
  3. Step 3: Cross multiply
    324,763.05x = 487,448.33 × 164,953.29
  4. Step 4: Simplify right side
    324,763.05x = 80,406,204,913.74
  5. Step 5: Solve for x
    x = 80,406,204,913.74/324,763.05
  6. Step 6: Final answer
    x = 247,584.22

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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.