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Finding the Fourth Proportional to 491,382.36, 737,077.66 and 136,424.06

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Solution

The fourth proportional to 491,382.36, 737,077.66 and 136,424.06 is: 204,637.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    491,382.36 : 737,077.66 = 136,424.06 : x
  2. Step 2: Convert to fraction form
    491,382.36/737,077.66 = 136,424.06/x
  3. Step 3: Cross multiply
    491,382.36x = 737,077.66 × 136,424.06
  4. Step 4: Simplify right side
    491,382.36x = 100,555,125,410.87
  5. Step 5: Solve for x
    x = 100,555,125,410.87/491,382.36
  6. Step 6: Final answer
    x = 204,637.23

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.