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Finding the Fourth Proportional to 493,327.20, 739,862.37 and 208,871.37

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Solution

The fourth proportional to 493,327.20, 739,862.37 and 208,871.37 is: 313,252.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    493,327.20 : 739,862.37 = 208,871.37 : x
  2. Step 2: Convert to fraction form
    493,327.20/739,862.37 = 208,871.37/x
  3. Step 3: Cross multiply
    493,327.20x = 739,862.37 × 208,871.37
  4. Step 4: Simplify right side
    493,327.20x = 154,536,066,833.35
  5. Step 5: Solve for x
    x = 154,536,066,833.35/493,327.20
  6. Step 6: Final answer
    x = 313,252.68

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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.