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Finding the Fourth Proportional to 479,665.92, 661,921.56 and 264,801.37

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Solution

The fourth proportional to 479,665.92, 661,921.56 and 264,801.37 is: 365,416.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    479,665.92 : 661,921.56 = 264,801.37 : x
  2. Step 2: Convert to fraction form
    479,665.92/661,921.56 = 264,801.37/x
  3. Step 3: Cross multiply
    479,665.92x = 661,921.56 × 264,801.37
  4. Step 4: Simplify right side
    479,665.92x = 175,277,735,920.54
  5. Step 5: Solve for x
    x = 175,277,735,920.54/479,665.92
  6. Step 6: Final answer
    x = 365,416.28

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.