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Finding the Fourth Proportional to 522,388.44, 720,895.41 and 304,606.04

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Solution

The fourth proportional to 522,388.44, 720,895.41 and 304,606.04 is: 420,355.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    522,388.44 : 720,895.41 = 304,606.04 : x
  2. Step 2: Convert to fraction form
    522,388.44/720,895.41 = 304,606.04/x
  3. Step 3: Cross multiply
    522,388.44x = 720,895.41 × 304,606.04
  4. Step 4: Simplify right side
    522,388.44x = 219,589,092,489.80
  5. Step 5: Solve for x
    x = 219,589,092,489.80/522,388.44
  6. Step 6: Final answer
    x = 420,355.96

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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.