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Finding the Fourth Proportional to 629,692.97, 944,632.80 and 203,088.51

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Solution

The fourth proportional to 629,692.97, 944,632.80 and 203,088.51 is: 304,662.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    629,692.97 : 944,632.80 = 203,088.51 : x
  2. Step 2: Convert to fraction form
    629,692.97/944,632.80 = 203,088.51/x
  3. Step 3: Cross multiply
    629,692.97x = 944,632.80 × 203,088.51
  4. Step 4: Simplify right side
    629,692.97x = 191,844,067,849.13
  5. Step 5: Solve for x
    x = 191,844,067,849.13/629,692.97
  6. Step 6: Final answer
    x = 304,662.87

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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.