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Finding the Fourth Proportional to 238,178.44, 356,934 and 178,976.32

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Solution

The fourth proportional to 238,178.44, 356,934 and 178,976.32 is: 268,213.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,178.44 : 356,934 = 178,976.32 : x
  2. Step 2: Convert to fraction form
    238,178.44/356,934 = 178,976.32/x
  3. Step 3: Cross multiply
    238,178.44x = 356,934 × 178,976.32
  4. Step 4: Simplify right side
    238,178.44x = 63,882,733,802.88
  5. Step 5: Solve for x
    x = 63,882,733,802.88/238,178.44
  6. Step 6: Final answer
    x = 268,213.76

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1.5x scale

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.