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Finding the Fourth Proportional to 293,178.11, 404,586.56 and 159,042.11

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Solution

The fourth proportional to 293,178.11, 404,586.56 and 159,042.11 is: 219,478.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    293,178.11 : 404,586.56 = 159,042.11 : x
  2. Step 2: Convert to fraction form
    293,178.11/404,586.56 = 159,042.11/x
  3. Step 3: Cross multiply
    293,178.11x = 404,586.56 × 159,042.11
  4. Step 4: Simplify right side
    293,178.11x = 64,346,300,180.04
  5. Step 5: Solve for x
    x = 64,346,300,180.04/293,178.11
  6. Step 6: Final answer
    x = 219,478.53

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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.