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Finding the Fourth Proportional to 233,906.79, 349,167.99 and 205,531.22

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Solution

The fourth proportional to 233,906.79, 349,167.99 and 205,531.22 is: 306,809.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    233,906.79 : 349,167.99 = 205,531.22 : x
  2. Step 2: Convert to fraction form
    233,906.79/349,167.99 = 205,531.22/x
  3. Step 3: Cross multiply
    233,906.79x = 349,167.99 × 205,531.22
  4. Step 4: Simplify right side
    233,906.79x = 71,764,924,035.25
  5. Step 5: Solve for x
    x = 71,764,924,035.25/233,906.79
  6. Step 6: Final answer
    x = 306,809.92

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.