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Finding the Fourth Proportional to 331,446.60, 497,169.90 and 109,830.60

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Solution

The fourth proportional to 331,446.60, 497,169.90 and 109,830.60 is: 164,745.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    331,446.60 : 497,169.90 = 109,830.60 : x
  2. Step 2: Convert to fraction form
    331,446.60/497,169.90 = 109,830.60/x
  3. Step 3: Cross multiply
    331,446.60x = 497,169.90 × 109,830.60
  4. Step 4: Simplify right side
    331,446.60x = 54,604,468,418.94
  5. Step 5: Solve for x
    x = 54,604,468,418.94/331,446.60
  6. Step 6: Final answer
    x = 164,745.90

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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.