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Finding the Fourth Proportional to 603,508.32, 905,274 and 182,782.56

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Solution

The fourth proportional to 603,508.32, 905,274 and 182,782.56 is: 274,177.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    603,508.32 : 905,274 = 182,782.56 : x
  2. Step 2: Convert to fraction form
    603,508.32/905,274 = 182,782.56/x
  3. Step 3: Cross multiply
    603,508.32x = 905,274 × 182,782.56
  4. Step 4: Simplify right side
    603,508.32x = 165,468,299,221.44
  5. Step 5: Solve for x
    x = 165,468,299,221.44/603,508.32
  6. Step 6: Final answer
    x = 274,177.33

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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.