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Finding the Fourth Proportional to 331,611.64, 497,514.32 and 106,967.08

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Solution

The fourth proportional to 331,611.64, 497,514.32 and 106,967.08 is: 160,481.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    331,611.64 : 497,514.32 = 106,967.08 : x
  2. Step 2: Convert to fraction form
    331,611.64/497,514.32 = 106,967.08/x
  3. Step 3: Cross multiply
    331,611.64x = 497,514.32 × 106,967.08
  4. Step 4: Simplify right side
    331,611.64x = 53,217,654,556.77
  5. Step 5: Solve for x
    x = 53,217,654,556.77/331,611.64
  6. Step 6: Final answer
    x = 160,481.87

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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.