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Finding the Fourth Proportional to 307,226.70, 460,835.51 and 187,318.97

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Solution

The fourth proportional to 307,226.70, 460,835.51 and 187,318.97 is: 280,975.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    307,226.70 : 460,835.51 = 187,318.97 : x
  2. Step 2: Convert to fraction form
    307,226.70/460,835.51 = 187,318.97/x
  3. Step 3: Cross multiply
    307,226.70x = 460,835.51 × 187,318.97
  4. Step 4: Simplify right side
    307,226.70x = 86,323,229,831.85
  5. Step 5: Solve for x
    x = 86,323,229,831.85/307,226.70
  6. Step 6: Final answer
    x = 280,975.68

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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.