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Finding the Fourth Proportional to 322,457.32, 482,881.50 and 203,770.60

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Solution

The fourth proportional to 322,457.32, 482,881.50 and 203,770.60 is: 305,147.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    322,457.32 : 482,881.50 = 203,770.60 : x
  2. Step 2: Convert to fraction form
    322,457.32/482,881.50 = 203,770.60/x
  3. Step 3: Cross multiply
    322,457.32x = 482,881.50 × 203,770.60
  4. Step 4: Simplify right side
    322,457.32x = 98,397,052,983.90
  5. Step 5: Solve for x
    x = 98,397,052,983.90/322,457.32
  6. Step 6: Final answer
    x = 305,147.52

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.