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Finding the Fourth Proportional to 329,103.36, 492,997.32 and 151,366.68

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Solution

The fourth proportional to 329,103.36, 492,997.32 and 151,366.68 is: 226,747.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    329,103.36 : 492,997.32 = 151,366.68 : x
  2. Step 2: Convert to fraction form
    329,103.36/492,997.32 = 151,366.68/x
  3. Step 3: Cross multiply
    329,103.36x = 492,997.32 × 151,366.68
  4. Step 4: Simplify right side
    329,103.36x = 74,623,367,577.30
  5. Step 5: Solve for x
    x = 74,623,367,577.30/329,103.36
  6. Step 6: Final answer
    x = 226,747.51

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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.