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Finding the Fourth Proportional to 292,789.97, 404,046.79 and 158,653.97

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Solution

The fourth proportional to 292,789.97, 404,046.79 and 158,653.97 is: 218,940.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    292,789.97 : 404,046.79 = 158,653.97 : x
  2. Step 2: Convert to fraction form
    292,789.97/404,046.79 = 158,653.97/x
  3. Step 3: Cross multiply
    292,789.97x = 404,046.79 × 158,653.97
  4. Step 4: Simplify right side
    292,789.97x = 64,103,627,299.26
  5. Step 5: Solve for x
    x = 64,103,627,299.26/292,789.97
  6. Step 6: Final answer
    x = 218,940.65

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1.5x scale

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.