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Finding the Fourth Proportional to 368,757.72, 552,951.18 and 214,933.23

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Solution

The fourth proportional to 368,757.72, 552,951.18 and 214,933.23 is: 322,291.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    368,757.72 : 552,951.18 = 214,933.23 : x
  2. Step 2: Convert to fraction form
    368,757.72/552,951.18 = 214,933.23/x
  3. Step 3: Cross multiply
    368,757.72x = 552,951.18 × 214,933.23
  4. Step 4: Simplify right side
    368,757.72x = 118,847,583,149.71
  5. Step 5: Solve for x
    x = 118,847,583,149.71/368,757.72
  6. Step 6: Final answer
    x = 322,291.78

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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.