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Finding the Fourth Proportional to 303,591.06, 418,962.17 and 167,633.60

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Solution

The fourth proportional to 303,591.06, 418,962.17 and 167,633.60 is: 231,337.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    303,591.06 : 418,962.17 = 167,633.60 : x
  2. Step 2: Convert to fraction form
    303,591.06/418,962.17 = 167,633.60/x
  3. Step 3: Cross multiply
    303,591.06x = 418,962.17 × 167,633.60
  4. Step 4: Simplify right side
    303,591.06x = 70,232,135,145.19
  5. Step 5: Solve for x
    x = 70,232,135,145.19/303,591.06
  6. Step 6: Final answer
    x = 231,337.96

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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.