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Finding the Fourth Proportional to 493,678.29, 739,957.44 and 226,887.39

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Solution

The fourth proportional to 493,678.29, 739,957.44 and 226,887.39 is: 340,073.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    493,678.29 : 739,957.44 = 226,887.39 : x
  2. Step 2: Convert to fraction form
    493,678.29/739,957.44 = 226,887.39/x
  3. Step 3: Cross multiply
    493,678.29x = 739,957.44 × 226,887.39
  4. Step 4: Simplify right side
    493,678.29x = 167,887,012,272.68
  5. Step 5: Solve for x
    x = 167,887,012,272.68/493,678.29
  6. Step 6: Final answer
    x = 340,073.72

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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.