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Finding the Fourth Proportional to 553,537.56, 763,890.30 and 327,204.12

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Solution

The fourth proportional to 553,537.56, 763,890.30 and 327,204.12 is: 451,546.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    553,537.56 : 763,890.30 = 327,204.12 : x
  2. Step 2: Convert to fraction form
    553,537.56/763,890.30 = 327,204.12/x
  3. Step 3: Cross multiply
    553,537.56x = 763,890.30 × 327,204.12
  4. Step 4: Simplify right side
    553,537.56x = 249,948,053,388.04
  5. Step 5: Solve for x
    x = 249,948,053,388.04/553,537.56
  6. Step 6: Final answer
    x = 451,546.69

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.