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Finding the Fourth Proportional to 629,765.72, 944,475.66 and 376,847.24

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Solution

The fourth proportional to 629,765.72, 944,475.66 and 376,847.24 is: 565,167.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    629,765.72 : 944,475.66 = 376,847.24 : x
  2. Step 2: Convert to fraction form
    629,765.72/944,475.66 = 376,847.24/x
  3. Step 3: Cross multiply
    629,765.72x = 944,475.66 × 376,847.24
  4. Step 4: Simplify right side
    629,765.72x = 355,923,045,718.18
  5. Step 5: Solve for x
    x = 355,923,045,718.18/629,765.72
  6. Step 6: Final answer
    x = 565,167.39

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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.