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Finding the Fourth Proportional to 303,832.32, 455,609.97 and 126,233.34

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Solution

The fourth proportional to 303,832.32, 455,609.97 and 126,233.34 is: 189,292.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    303,832.32 : 455,609.97 = 126,233.34 : x
  2. Step 2: Convert to fraction form
    303,832.32/455,609.97 = 126,233.34/x
  3. Step 3: Cross multiply
    303,832.32x = 455,609.97 × 126,233.34
  4. Step 4: Simplify right side
    303,832.32x = 57,513,168,250.40
  5. Step 5: Solve for x
    x = 57,513,168,250.40/303,832.32
  6. Step 6: Final answer
    x = 189,292.46

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.