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Finding the Fourth Proportional to 467,536.71, 644,901.45 and 324,244.47

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Solution

The fourth proportional to 467,536.71, 644,901.45 and 324,244.47 is: 447,249.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    467,536.71 : 644,901.45 = 324,244.47 : x
  2. Step 2: Convert to fraction form
    467,536.71/644,901.45 = 324,244.47/x
  3. Step 3: Cross multiply
    467,536.71x = 644,901.45 × 324,244.47
  4. Step 4: Simplify right side
    467,536.71x = 209,105,728,857.48
  5. Step 5: Solve for x
    x = 209,105,728,857.48/467,536.71
  6. Step 6: Final answer
    x = 447,249.86

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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.