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Finding the Fourth Proportional to 422,314.26, 633,500.96 and 169,594.74

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Solution

The fourth proportional to 422,314.26, 633,500.96 and 169,594.74 is: 254,403.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    422,314.26 : 633,500.96 = 169,594.74 : x
  2. Step 2: Convert to fraction form
    422,314.26/633,500.96 = 169,594.74/x
  3. Step 3: Cross multiply
    422,314.26x = 633,500.96 × 169,594.74
  4. Step 4: Simplify right side
    422,314.26x = 107,438,429,752.98
  5. Step 5: Solve for x
    x = 107,438,429,752.98/422,314.26
  6. Step 6: Final answer
    x = 254,403.98

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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.