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Finding the Fourth Proportional to 629,814.50, 944,722.44 and 156,499.86

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Solution

The fourth proportional to 629,814.50, 944,722.44 and 156,499.86 is: 234,749.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    629,814.50 : 944,722.44 = 156,499.86 : x
  2. Step 2: Convert to fraction form
    629,814.50/944,722.44 = 156,499.86/x
  3. Step 3: Cross multiply
    629,814.50x = 944,722.44 × 156,499.86
  4. Step 4: Simplify right side
    629,814.50x = 147,848,929,598.86
  5. Step 5: Solve for x
    x = 147,848,929,598.86/629,814.50
  6. Step 6: Final answer
    x = 234,749.96

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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.