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Finding the Fourth Proportional to 303,179.28, 418,389.40 and 167,216.91

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Solution

The fourth proportional to 303,179.28, 418,389.40 and 167,216.91 is: 230,760.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    303,179.28 : 418,389.40 = 167,216.91 : x
  2. Step 2: Convert to fraction form
    303,179.28/418,389.40 = 167,216.91/x
  3. Step 3: Cross multiply
    303,179.28x = 418,389.40 × 167,216.91
  4. Step 4: Simplify right side
    303,179.28x = 69,961,782,226.71
  5. Step 5: Solve for x
    x = 69,961,782,226.71/303,179.28
  6. Step 6: Final answer
    x = 230,760.43

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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.