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Finding the Fourth Proportional to 325,332.66, 448,949.84 and 189,363.69

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Solution

The fourth proportional to 325,332.66, 448,949.84 and 189,363.69 is: 261,316.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    325,332.66 : 448,949.84 = 189,363.69 : x
  2. Step 2: Convert to fraction form
    325,332.66/448,949.84 = 189,363.69/x
  3. Step 3: Cross multiply
    325,332.66x = 448,949.84 × 189,363.69
  4. Step 4: Simplify right side
    325,332.66x = 85,014,797,380.49
  5. Step 5: Solve for x
    x = 85,014,797,380.49/325,332.66
  6. Step 6: Final answer
    x = 261,316.52

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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.