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Finding the Fourth Proportional to 307,462.73, 460,976.28 and 136,590.59

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Solution

The fourth proportional to 307,462.73, 460,976.28 and 136,590.59 is: 204,789.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    307,462.73 : 460,976.28 = 136,590.59 : x
  2. Step 2: Convert to fraction form
    307,462.73/460,976.28 = 136,590.59/x
  3. Step 3: Cross multiply
    307,462.73x = 460,976.28 × 136,590.59
  4. Step 4: Simplify right side
    307,462.73x = 62,965,019,756.32
  5. Step 5: Solve for x
    x = 62,965,019,756.32/307,462.73
  6. Step 6: Final answer
    x = 204,789.12

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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.