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Finding the Fourth Proportional to 303,522.26, 418,858.16 and 167,553.29

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Solution

The fourth proportional to 303,522.26, 418,858.16 and 167,553.29 is: 231,222.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    303,522.26 : 418,858.16 = 167,553.29 : x
  2. Step 2: Convert to fraction form
    303,522.26/418,858.16 = 167,553.29/x
  3. Step 3: Cross multiply
    303,522.26x = 418,858.16 × 167,553.29
  4. Step 4: Simplify right side
    303,522.26x = 70,181,062,960.73
  5. Step 5: Solve for x
    x = 70,181,062,960.73/303,522.26
  6. Step 6: Final answer
    x = 231,222.13

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1.5x scale

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.