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Finding the Fourth Proportional to 629,982.96, 944,978.25 and 156,668.37

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Solution

The fourth proportional to 629,982.96, 944,978.25 and 156,668.37 is: 235,003.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    629,982.96 : 944,978.25 = 156,668.37 : x
  2. Step 2: Convert to fraction form
    629,982.96/944,978.25 = 156,668.37/x
  3. Step 3: Cross multiply
    629,982.96x = 944,978.25 × 156,668.37
  4. Step 4: Simplify right side
    629,982.96x = 148,048,202,112.95
  5. Step 5: Solve for x
    x = 148,048,202,112.95/629,982.96
  6. Step 6: Final answer
    x = 235,003.50

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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.