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Finding the Fourth Proportional to 505,432.62, 758,265.57 and 269,003.34

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Solution

The fourth proportional to 505,432.62, 758,265.57 and 269,003.34 is: 403,567.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    505,432.62 : 758,265.57 = 269,003.34 : x
  2. Step 2: Convert to fraction form
    505,432.62/758,265.57 = 269,003.34/x
  3. Step 3: Cross multiply
    505,432.62x = 758,265.57 × 269,003.34
  4. Step 4: Simplify right side
    505,432.62x = 203,975,970,937.00
  5. Step 5: Solve for x
    x = 203,975,970,937.00/505,432.62
  6. Step 6: Final answer
    x = 403,567.09

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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.