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Finding the Fourth Proportional to 629,376.86, 944,458.96 and 255,399.86

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Solution

The fourth proportional to 629,376.86, 944,458.96 and 255,399.86 is: 383,259.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    629,376.86 : 944,458.96 = 255,399.86 : x
  2. Step 2: Convert to fraction form
    629,376.86/944,458.96 = 255,399.86/x
  3. Step 3: Cross multiply
    629,376.86x = 944,458.96 × 255,399.86
  4. Step 4: Simplify right side
    629,376.86x = 241,214,686,159.75
  5. Step 5: Solve for x
    x = 241,214,686,159.75/629,376.86
  6. Step 6: Final answer
    x = 383,259.54

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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.