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Finding the Fourth Proportional to 293,176.79, 404,584.75 and 159,040.79

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Solution

The fourth proportional to 293,176.79, 404,584.75 and 159,040.79 is: 219,476.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    293,176.79 : 404,584.75 = 159,040.79 : x
  2. Step 2: Convert to fraction form
    293,176.79/404,584.75 = 159,040.79/x
  3. Step 3: Cross multiply
    293,176.79x = 404,584.75 × 159,040.79
  4. Step 4: Simplify right side
    293,176.79x = 64,345,479,472.22
  5. Step 5: Solve for x
    x = 64,345,479,472.22/293,176.79
  6. Step 6: Final answer
    x = 219,476.72

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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.