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Finding the Fourth Proportional to 300,331.53, 414,453.65 and 164,363.04

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Solution

The fourth proportional to 300,331.53, 414,453.65 and 164,363.04 is: 226,818.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    300,331.53 : 414,453.65 = 164,363.04 : x
  2. Step 2: Convert to fraction form
    300,331.53/414,453.65 = 164,363.04/x
  3. Step 3: Cross multiply
    300,331.53x = 414,453.65 × 164,363.04
  4. Step 4: Simplify right side
    300,331.53x = 68,120,861,031.28
  5. Step 5: Solve for x
    x = 68,120,861,031.28/300,331.53
  6. Step 6: Final answer
    x = 226,818.88

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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.