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Finding the Fourth Proportional to 314,749.80, 472,264.18 and 164,954.44

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Solution

The fourth proportional to 314,749.80, 472,264.18 and 164,954.44 is: 247,504.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    314,749.80 : 472,264.18 = 164,954.44 : x
  2. Step 2: Convert to fraction form
    314,749.80/472,264.18 = 164,954.44/x
  3. Step 3: Cross multiply
    314,749.80x = 472,264.18 × 164,954.44
  4. Step 4: Simplify right side
    314,749.80x = 77,902,073,343.96
  5. Step 5: Solve for x
    x = 77,902,073,343.96/314,749.80
  6. Step 6: Final answer
    x = 247,504.76

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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.