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Finding the Fourth Proportional to 310,728.39, 465,667.33 and 234,764.48

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Solution

The fourth proportional to 310,728.39, 465,667.33 and 234,764.48 is: 351,825.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    310,728.39 : 465,667.33 = 234,764.48 : x
  2. Step 2: Convert to fraction form
    310,728.39/465,667.33 = 234,764.48/x
  3. Step 3: Cross multiply
    310,728.39x = 465,667.33 × 234,764.48
  4. Step 4: Simplify right side
    310,728.39x = 109,322,148,580.44
  5. Step 5: Solve for x
    x = 109,322,148,580.44/310,728.39
  6. Step 6: Final answer
    x = 351,825.43

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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.