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Finding the Fourth Proportional to 293,178.36, 404,586.91 and 159,042.36

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Solution

The fourth proportional to 293,178.36, 404,586.91 and 159,042.36 is: 219,478.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    293,178.36 : 404,586.91 = 159,042.36 : x
  2. Step 2: Convert to fraction form
    293,178.36/404,586.91 = 159,042.36/x
  3. Step 3: Cross multiply
    293,178.36x = 404,586.91 × 159,042.36
  4. Step 4: Simplify right side
    293,178.36x = 64,346,456,991.51
  5. Step 5: Solve for x
    x = 64,346,456,991.51/293,178.36
  6. Step 6: Final answer
    x = 219,478.88

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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.