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Finding the Fourth Proportional to 340,963.37, 511,617.78 and 227,188.94

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Solution

The fourth proportional to 340,963.37, 511,617.78 and 227,188.94 is: 340,898.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    340,963.37 : 511,617.78 = 227,188.94 : x
  2. Step 2: Convert to fraction form
    340,963.37/511,617.78 = 227,188.94/x
  3. Step 3: Cross multiply
    340,963.37x = 511,617.78 × 227,188.94
  4. Step 4: Simplify right side
    340,963.37x = 116,233,901,123.35
  5. Step 5: Solve for x
    x = 116,233,901,123.35/340,963.37
  6. Step 6: Final answer
    x = 340,898.50

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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.