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Finding the Fourth Proportional to 303,213.96, 418,437.24 and 167,251.56

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Solution

The fourth proportional to 303,213.96, 418,437.24 and 167,251.56 is: 230,808.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    303,213.96 : 418,437.24 = 167,251.56 : x
  2. Step 2: Convert to fraction form
    303,213.96/418,437.24 = 167,251.56/x
  3. Step 3: Cross multiply
    303,213.96x = 418,437.24 × 167,251.56
  4. Step 4: Simplify right side
    303,213.96x = 69,984,281,152.09
  5. Step 5: Solve for x
    x = 69,984,281,152.09/303,213.96
  6. Step 6: Final answer
    x = 230,808.24

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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.