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Finding the Fourth Proportional to 297,327.51, 410,304.89 and 161,355.65

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Solution

The fourth proportional to 297,327.51, 410,304.89 and 161,355.65 is: 222,666.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    297,327.51 : 410,304.89 = 161,355.65 : x
  2. Step 2: Convert to fraction form
    297,327.51/410,304.89 = 161,355.65/x
  3. Step 3: Cross multiply
    297,327.51x = 410,304.89 × 161,355.65
  4. Step 4: Simplify right side
    297,327.51x = 66,205,010,575.99
  5. Step 5: Solve for x
    x = 66,205,010,575.99/297,327.51
  6. Step 6: Final answer
    x = 222,666.95

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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.