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Finding the Fourth Proportional to 303,451.80, 418,733.60 and 167,493.30

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Solution

The fourth proportional to 303,451.80, 418,733.60 and 167,493.30 is: 231,124.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    303,451.80 : 418,733.60 = 167,493.30 : x
  2. Step 2: Convert to fraction form
    303,451.80/418,733.60 = 167,493.30/x
  3. Step 3: Cross multiply
    303,451.80x = 418,733.60 × 167,493.30
  4. Step 4: Simplify right side
    303,451.80x = 70,135,071,647.41
  5. Step 5: Solve for x
    x = 70,135,071,647.41/303,451.80
  6. Step 6: Final answer
    x = 231,124.26

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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.