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Finding the Fourth Proportional to 443,224.41, 663,881.68 and 300,285.46

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Solution

The fourth proportional to 443,224.41, 663,881.68 and 300,285.46 is: 449,781.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    443,224.41 : 663,881.68 = 300,285.46 : x
  2. Step 2: Convert to fraction form
    443,224.41/663,881.68 = 300,285.46/x
  3. Step 3: Cross multiply
    443,224.41x = 663,881.68 × 300,285.46
  4. Step 4: Simplify right side
    443,224.41x = 199,354,015,664.37
  5. Step 5: Solve for x
    x = 199,354,015,664.37/443,224.41
  6. Step 6: Final answer
    x = 449,781.22

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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.