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Finding the Fourth Proportional to 300,495.38, 414,682.20 and 162,674.42

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Solution

The fourth proportional to 300,495.38, 414,682.20 and 162,674.42 is: 224,489.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    300,495.38 : 414,682.20 = 162,674.42 : x
  2. Step 2: Convert to fraction form
    300,495.38/414,682.20 = 162,674.42/x
  3. Step 3: Cross multiply
    300,495.38x = 414,682.20 × 162,674.42
  4. Step 4: Simplify right side
    300,495.38x = 67,458,184,295.91
  5. Step 5: Solve for x
    x = 67,458,184,295.91/300,495.38
  6. Step 6: Final answer
    x = 224,489.93

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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.