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Finding the Fourth Proportional to 217,425.20, 303,773.20 and 217,425.20

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Solution

The fourth proportional to 217,425.20, 303,773.20 and 217,425.20 is: 303,773.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,425.20 : 303,773.20 = 217,425.20 : x
  2. Step 2: Convert to fraction form
    217,425.20/303,773.20 = 217,425.20/x
  3. Step 3: Cross multiply
    217,425.20x = 303,773.20 × 217,425.20
  4. Step 4: Simplify right side
    217,425.20x = 66,047,948,764.64
  5. Step 5: Solve for x
    x = 66,047,948,764.64/217,425.20
  6. Step 6: Final answer
    x = 303,773.20

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Why These Related Problems?

These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.