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Finding the Fourth Proportional to 331,832.60, 497,750.70 and 82,514.60

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Solution

The fourth proportional to 331,832.60, 497,750.70 and 82,514.60 is: 123,772.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    331,832.60 : 497,750.70 = 82,514.60 : x
  2. Step 2: Convert to fraction form
    331,832.60/497,750.70 = 82,514.60/x
  3. Step 3: Cross multiply
    331,832.60x = 497,750.70 × 82,514.60
  4. Step 4: Simplify right side
    331,832.60x = 41,071,699,910.22
  5. Step 5: Solve for x
    x = 41,071,699,910.22/331,832.60
  6. Step 6: Final answer
    x = 123,772.35

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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.