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Finding the Fourth Proportional to 352,356.66, 527,912.19 and 186,261.30

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Solution

The fourth proportional to 352,356.66, 527,912.19 and 186,261.30 is: 279,062.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    352,356.66 : 527,912.19 = 186,261.30 : x
  2. Step 2: Convert to fraction form
    352,356.66/527,912.19 = 186,261.30/x
  3. Step 3: Cross multiply
    352,356.66x = 527,912.19 × 186,261.30
  4. Step 4: Simplify right side
    352,356.66x = 98,329,610,795.25
  5. Step 5: Solve for x
    x = 98,329,610,795.25/352,356.66
  6. Step 6: Final answer
    x = 279,062.73

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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.