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Finding the Fourth Proportional to 383,805.89, 574,593.76 and 223,392.17

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Solution

The fourth proportional to 383,805.89, 574,593.76 and 223,392.17 is: 334,439.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    383,805.89 : 574,593.76 = 223,392.17 : x
  2. Step 2: Convert to fraction form
    383,805.89/574,593.76 = 223,392.17/x
  3. Step 3: Cross multiply
    383,805.89x = 574,593.76 × 223,392.17
  4. Step 4: Simplify right side
    383,805.89x = 128,359,747,792.86
  5. Step 5: Solve for x
    x = 128,359,747,792.86/383,805.89
  6. Step 6: Final answer
    x = 334,439.24

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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.