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Finding the Fourth Proportional to 303,296, 418,548.48 and 169,160

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Solution

The fourth proportional to 303,296, 418,548.48 and 169,160 is: 233,440.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    303,296 : 418,548.48 = 169,160 : x
  2. Step 2: Convert to fraction form
    303,296/418,548.48 = 169,160/x
  3. Step 3: Cross multiply
    303,296x = 418,548.48 × 169,160
  4. Step 4: Simplify right side
    303,296x = 70,801,660,876.80
  5. Step 5: Solve for x
    x = 70,801,660,876.80/303,296
  6. Step 6: Final answer
    x = 233,440.80

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.