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Finding the Fourth Proportional to 310,512.40, 465,768.60 and 110,839.30

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Solution

The fourth proportional to 310,512.40, 465,768.60 and 110,839.30 is: 166,258.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    310,512.40 : 465,768.60 = 110,839.30 : x
  2. Step 2: Convert to fraction form
    310,512.40/465,768.60 = 110,839.30/x
  3. Step 3: Cross multiply
    310,512.40x = 465,768.60 × 110,839.30
  4. Step 4: Simplify right side
    310,512.40x = 51,625,465,585.98
  5. Step 5: Solve for x
    x = 51,625,465,585.98/310,512.40
  6. Step 6: Final answer
    x = 166,258.95

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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.