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Finding the Fourth Proportional to 345,732.78, 476,794.17 and 236,995.14

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Solution

The fourth proportional to 345,732.78, 476,794.17 and 236,995.14 is: 326,835.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    345,732.78 : 476,794.17 = 236,995.14 : x
  2. Step 2: Convert to fraction form
    345,732.78/476,794.17 = 236,995.14/x
  3. Step 3: Cross multiply
    345,732.78x = 476,794.17 × 236,995.14
  4. Step 4: Simplify right side
    345,732.78x = 112,997,901,070.33
  5. Step 5: Solve for x
    x = 112,997,901,070.33/345,732.78
  6. Step 6: Final answer
    x = 326,835.95

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.