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Finding the Fourth Proportional to 629,983.30, 944,978.73 and 156,668.68

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Solution

The fourth proportional to 629,983.30, 944,978.73 and 156,668.68 is: 235,003.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    629,983.30 : 944,978.73 = 156,668.68 : x
  2. Step 2: Convert to fraction form
    629,983.30/944,978.73 = 156,668.68/x
  3. Step 3: Cross multiply
    629,983.30x = 944,978.73 × 156,668.68
  4. Step 4: Simplify right side
    629,983.30x = 148,048,570,257.18
  5. Step 5: Solve for x
    x = 148,048,570,257.18/629,983.30
  6. Step 6: Final answer
    x = 235,003.96

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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.