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Finding the Fourth Proportional to 508,662.27, 701,928.54 and 293,789.52

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Solution

The fourth proportional to 508,662.27, 701,928.54 and 293,789.52 is: 405,414.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    508,662.27 : 701,928.54 = 293,789.52 : x
  2. Step 2: Convert to fraction form
    508,662.27/701,928.54 = 293,789.52/x
  3. Step 3: Cross multiply
    508,662.27x = 701,928.54 × 293,789.52
  4. Step 4: Simplify right side
    508,662.27x = 206,219,248,840.90
  5. Step 5: Solve for x
    x = 206,219,248,840.90/508,662.27
  6. Step 6: Final answer
    x = 405,414.87

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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.