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Finding the Fourth Proportional to 297,315.96, 410,297.13 and 161,349.90

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Solution

The fourth proportional to 297,315.96, 410,297.13 and 161,349.90 is: 222,663.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    297,315.96 : 410,297.13 = 161,349.90 : x
  2. Step 2: Convert to fraction form
    297,315.96/410,297.13 = 161,349.90/x
  3. Step 3: Cross multiply
    297,315.96x = 410,297.13 × 161,349.90
  4. Step 4: Simplify right side
    297,315.96x = 66,201,400,895.79
  5. Step 5: Solve for x
    x = 66,201,400,895.79/297,315.96
  6. Step 6: Final answer
    x = 222,663.46

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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.