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Finding the Fourth Proportional to 303,352.36, 418,623.46 and 167,387.56

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Solution

The fourth proportional to 303,352.36, 418,623.46 and 167,387.56 is: 230,993.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    303,352.36 : 418,623.46 = 167,387.56 : x
  2. Step 2: Convert to fraction form
    303,352.36/418,623.46 = 167,387.56/x
  3. Step 3: Cross multiply
    303,352.36x = 418,623.46 × 167,387.56
  4. Step 4: Simplify right side
    303,352.36x = 70,072,359,528.16
  5. Step 5: Solve for x
    x = 70,072,359,528.16/303,352.36
  6. Step 6: Final answer
    x = 230,993.29

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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.