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Finding the Fourth Proportional to 331,562.39, 497,440.61 and 106,918.27

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Solution

The fourth proportional to 331,562.39, 497,440.61 and 106,918.27 is: 160,408.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    331,562.39 : 497,440.61 = 106,918.27 : x
  2. Step 2: Convert to fraction form
    331,562.39/497,440.61 = 106,918.27/x
  3. Step 3: Cross multiply
    331,562.39x = 497,440.61 × 106,918.27
  4. Step 4: Simplify right side
    331,562.39x = 53,185,489,716.24
  5. Step 5: Solve for x
    x = 53,185,489,716.24/331,562.39
  6. Step 6: Final answer
    x = 160,408.69

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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.