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Finding the Fourth Proportional to 324,636.05, 487,064.80 and 174,891.71

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Solution

The fourth proportional to 324,636.05, 487,064.80 and 174,891.71 is: 262,397.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    324,636.05 : 487,064.80 = 174,891.71 : x
  2. Step 2: Convert to fraction form
    324,636.05/487,064.80 = 174,891.71/x
  3. Step 3: Cross multiply
    324,636.05x = 487,064.80 × 174,891.71
  4. Step 4: Simplify right side
    324,636.05x = 85,183,593,465.58
  5. Step 5: Solve for x
    x = 85,183,593,465.58/324,636.05
  6. Step 6: Final answer
    x = 262,397.21

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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.