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Finding the Fourth Proportional to 629,657.65, 944,765.66 and 330,066.73

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Solution

The fourth proportional to 629,657.65, 944,765.66 and 330,066.73 is: 495,246.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    629,657.65 : 944,765.66 = 330,066.73 : x
  2. Step 2: Convert to fraction form
    629,657.65/944,765.66 = 330,066.73/x
  3. Step 3: Cross multiply
    629,657.65x = 944,765.66 × 330,066.73
  4. Step 4: Simplify right side
    629,657.65x = 311,835,712,012.49
  5. Step 5: Solve for x
    x = 311,835,712,012.49/629,657.65
  6. Step 6: Final answer
    x = 495,246.44

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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.