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Finding the Fourth Proportional to 352,003.17, 527,240.11 and 216,654.69

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Solution

The fourth proportional to 352,003.17, 527,240.11 and 216,654.69 is: 324,511.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    352,003.17 : 527,240.11 = 216,654.69 : x
  2. Step 2: Convert to fraction form
    352,003.17/527,240.11 = 216,654.69/x
  3. Step 3: Cross multiply
    352,003.17x = 527,240.11 × 216,654.69
  4. Step 4: Simplify right side
    352,003.17x = 114,229,039,409.78
  5. Step 5: Solve for x
    x = 114,229,039,409.78/352,003.17
  6. Step 6: Final answer
    x = 324,511.40

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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.