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Finding the Fourth Proportional to 297,793.24, 411,003.66 and 217,486.60

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Solution

The fourth proportional to 297,793.24, 411,003.66 and 217,486.60 is: 300,167.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    297,793.24 : 411,003.66 = 217,486.60 : x
  2. Step 2: Convert to fraction form
    297,793.24/411,003.66 = 217,486.60/x
  3. Step 3: Cross multiply
    297,793.24x = 411,003.66 × 217,486.60
  4. Step 4: Simplify right side
    297,793.24x = 89,387,788,600.96
  5. Step 5: Solve for x
    x = 89,387,788,600.96/297,793.24
  6. Step 6: Final answer
    x = 300,167.29

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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.