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Finding the Fourth Proportional to 297,868.48, 411,061.25 and 161,902.73

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Solution

The fourth proportional to 297,868.48, 411,061.25 and 161,902.73 is: 223,427.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    297,868.48 : 411,061.25 = 161,902.73 : x
  2. Step 2: Convert to fraction form
    297,868.48/411,061.25 = 161,902.73/x
  3. Step 3: Cross multiply
    297,868.48x = 411,061.25 × 161,902.73
  4. Step 4: Simplify right side
    297,868.48x = 66,551,940,004.62
  5. Step 5: Solve for x
    x = 66,551,940,004.62/297,868.48
  6. Step 6: Final answer
    x = 223,427.27

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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.