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Finding the Fourth Proportional to 629,764.72, 944,474.16 and 376,846.24

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Solution

The fourth proportional to 629,764.72, 944,474.16 and 376,846.24 is: 565,165.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    629,764.72 : 944,474.16 = 376,846.24 : x
  2. Step 2: Convert to fraction form
    629,764.72/944,474.16 = 376,846.24/x
  3. Step 3: Cross multiply
    629,764.72x = 944,474.16 × 376,846.24
  4. Step 4: Simplify right side
    629,764.72x = 355,921,535,973.16
  5. Step 5: Solve for x
    x = 355,921,535,973.16/629,764.72
  6. Step 6: Final answer
    x = 565,165.89

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1.5x scale

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.