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Finding the Fourth Proportional to 444,723.40, 667,209.81 and 178,670.74

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Solution

The fourth proportional to 444,723.40, 667,209.81 and 178,670.74 is: 268,056.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    444,723.40 : 667,209.81 = 178,670.74 : x
  2. Step 2: Convert to fraction form
    444,723.40/667,209.81 = 178,670.74/x
  3. Step 3: Cross multiply
    444,723.40x = 667,209.81 × 178,670.74
  4. Step 4: Simplify right side
    444,723.40x = 119,210,870,487.96
  5. Step 5: Solve for x
    x = 119,210,870,487.96/444,723.40
  6. Step 6: Final answer
    x = 268,056.21

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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.