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Finding the Fourth Proportional to 352,208, 527,715.68 and 251,858.72

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Solution

The fourth proportional to 352,208, 527,715.68 and 251,858.72 is: 377,361.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    352,208 : 527,715.68 = 251,858.72 : x
  2. Step 2: Convert to fraction form
    352,208/527,715.68 = 251,858.72/x
  3. Step 3: Cross multiply
    352,208x = 527,715.68 × 251,858.72
  4. Step 4: Simplify right side
    352,208x = 132,909,795,688.73
  5. Step 5: Solve for x
    x = 132,909,795,688.73/352,208
  6. Step 6: Final answer
    x = 377,361.66

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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.