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Finding the Fourth Proportional to 336,016.78, 503,850.16 and 158,476.12

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Solution

The fourth proportional to 336,016.78, 503,850.16 and 158,476.12 is: 237,631.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    336,016.78 : 503,850.16 = 158,476.12 : x
  2. Step 2: Convert to fraction form
    336,016.78/503,850.16 = 158,476.12/x
  3. Step 3: Cross multiply
    336,016.78x = 503,850.16 × 158,476.12
  4. Step 4: Simplify right side
    336,016.78x = 79,848,218,418.18
  5. Step 5: Solve for x
    x = 79,848,218,418.18/336,016.78
  6. Step 6: Final answer
    x = 237,631.64

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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.