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Finding the Fourth Proportional to 297,355.01, 410,350.30 and 161,388.94

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Solution

The fourth proportional to 297,355.01, 410,350.30 and 161,388.94 is: 222,716.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    297,355.01 : 410,350.30 = 161,388.94 : x
  2. Step 2: Convert to fraction form
    297,355.01/410,350.30 = 161,388.94/x
  3. Step 3: Cross multiply
    297,355.01x = 410,350.30 × 161,388.94
  4. Step 4: Simplify right side
    297,355.01x = 66,226,000,666.80
  5. Step 5: Solve for x
    x = 66,226,000,666.80/297,355.01
  6. Step 6: Final answer
    x = 222,716.95

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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.