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Finding the Fourth Proportional to 238,874.27, 356,397.71 and 190,618.11

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Solution

The fourth proportional to 238,874.27, 356,397.71 and 190,618.11 is: 284,400.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,874.27 : 356,397.71 = 190,618.11 : x
  2. Step 2: Convert to fraction form
    238,874.27/356,397.71 = 190,618.11/x
  3. Step 3: Cross multiply
    238,874.27x = 356,397.71 × 190,618.11
  4. Step 4: Simplify right side
    238,874.27x = 67,935,856,935.44
  5. Step 5: Solve for x
    x = 67,935,856,935.44/238,874.27
  6. Step 6: Final answer
    x = 284,400.07

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.