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Finding the Fourth Proportional to 364,392.48, 502,860.31 and 203,247.41

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Solution

The fourth proportional to 364,392.48, 502,860.31 and 203,247.41 is: 280,480.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    364,392.48 : 502,860.31 = 203,247.41 : x
  2. Step 2: Convert to fraction form
    364,392.48/502,860.31 = 203,247.41/x
  3. Step 3: Cross multiply
    364,392.48x = 502,860.31 × 203,247.41
  4. Step 4: Simplify right side
    364,392.48x = 102,205,052,576.88
  5. Step 5: Solve for x
    x = 102,205,052,576.88/364,392.48
  6. Step 6: Final answer
    x = 280,480.69

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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.