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Finding the Fourth Proportional to 303,522.51, 418,858.50 and 167,553.54

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Solution

The fourth proportional to 303,522.51, 418,858.50 and 167,553.54 is: 231,222.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    303,522.51 : 418,858.50 = 167,553.54 : x
  2. Step 2: Convert to fraction form
    303,522.51/418,858.50 = 167,553.54/x
  3. Step 3: Cross multiply
    303,522.51x = 418,858.50 × 167,553.54
  4. Step 4: Simplify right side
    303,522.51x = 70,181,224,434.09
  5. Step 5: Solve for x
    x = 70,181,224,434.09/303,522.51
  6. Step 6: Final answer
    x = 231,222.47

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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.