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Finding the Fourth Proportional to 363,427.39, 545,252.73 and 186,058.90

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Solution

The fourth proportional to 363,427.39, 545,252.73 and 186,058.90 is: 279,145.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    363,427.39 : 545,252.73 = 186,058.90 : x
  2. Step 2: Convert to fraction form
    363,427.39/545,252.73 = 186,058.90/x
  3. Step 3: Cross multiply
    363,427.39x = 545,252.73 × 186,058.90
  4. Step 4: Simplify right side
    363,427.39x = 101,449,123,165.80
  5. Step 5: Solve for x
    x = 101,449,123,165.80/363,427.39
  6. Step 6: Final answer
    x = 279,145.51

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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.