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Finding the Fourth Proportional to 264,220.80, 395,164.80 and 222,230.40

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Solution

The fourth proportional to 264,220.80, 395,164.80 and 222,230.40 is: 332,364.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    264,220.80 : 395,164.80 = 222,230.40 : x
  2. Step 2: Convert to fraction form
    264,220.80/395,164.80 = 222,230.40/x
  3. Step 3: Cross multiply
    264,220.80x = 395,164.80 × 222,230.40
  4. Step 4: Simplify right side
    264,220.80x = 87,817,631,569.92
  5. Step 5: Solve for x
    x = 87,817,631,569.92/264,220.80
  6. Step 6: Final answer
    x = 332,364.57

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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.