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Finding the Fourth Proportional to 600,446.43, 900,420.44 and 221,388.84

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Solution

The fourth proportional to 600,446.43, 900,420.44 and 221,388.84 is: 331,991.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    600,446.43 : 900,420.44 = 221,388.84 : x
  2. Step 2: Convert to fraction form
    600,446.43/900,420.44 = 221,388.84/x
  3. Step 3: Cross multiply
    600,446.43x = 900,420.44 × 221,388.84
  4. Step 4: Simplify right side
    600,446.43x = 199,343,035,616.95
  5. Step 5: Solve for x
    x = 199,343,035,616.95/600,446.43
  6. Step 6: Final answer
    x = 331,991.37

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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.