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Finding the Fourth Proportional to 303,595, 418,939.44 and 167,606.96

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Solution

The fourth proportional to 303,595, 418,939.44 and 167,606.96 is: 231,285.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    303,595 : 418,939.44 = 167,606.96 : x
  2. Step 2: Convert to fraction form
    303,595/418,939.44 = 167,606.96/x
  3. Step 3: Cross multiply
    303,595x = 418,939.44 × 167,606.96
  4. Step 4: Simplify right side
    303,595x = 70,217,165,962.50
  5. Step 5: Solve for x
    x = 70,217,165,962.50/303,595
  6. Step 6: Final answer
    x = 231,285.65

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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.