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Finding the Fourth Proportional to 303,093.63, 418,261.10 and 167,125.28

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Solution

The fourth proportional to 303,093.63, 418,261.10 and 167,125.28 is: 230,628.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    303,093.63 : 418,261.10 = 167,125.28 : x
  2. Step 2: Convert to fraction form
    303,093.63/418,261.10 = 167,125.28/x
  3. Step 3: Cross multiply
    303,093.63x = 418,261.10 × 167,125.28
  4. Step 4: Simplify right side
    303,093.63x = 69,902,000,523.68
  5. Step 5: Solve for x
    x = 69,902,000,523.68/303,093.63
  6. Step 6: Final answer
    x = 230,628.41

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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.