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Finding the Fourth Proportional to 493,616.05, 739,864.34 and 226,825.29

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Solution

The fourth proportional to 493,616.05, 739,864.34 and 226,825.29 is: 339,980.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    493,616.05 : 739,864.34 = 226,825.29 : x
  2. Step 2: Convert to fraction form
    493,616.05/739,864.34 = 226,825.29/x
  3. Step 3: Cross multiply
    493,616.05x = 739,864.34 × 226,825.29
  4. Step 4: Simplify right side
    493,616.05x = 167,819,938,647.71
  5. Step 5: Solve for x
    x = 167,819,938,647.71/493,616.05
  6. Step 6: Final answer
    x = 339,980.72

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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.