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Finding the Fourth Proportional to 297,899.52, 411,103.44 and 161,933.52

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Solution

The fourth proportional to 297,899.52, 411,103.44 and 161,933.52 is: 223,469.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    297,899.52 : 411,103.44 = 161,933.52 : x
  2. Step 2: Convert to fraction form
    297,899.52/411,103.44 = 161,933.52/x
  3. Step 3: Cross multiply
    297,899.52x = 411,103.44 × 161,933.52
  4. Step 4: Simplify right side
    297,899.52x = 66,571,427,123.31
  5. Step 5: Solve for x
    x = 66,571,427,123.31/297,899.52
  6. Step 6: Final answer
    x = 223,469.40

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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.