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Finding the Fourth Proportional to 220,714.48, 304,650.24 and 144,244.72

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Solution

The fourth proportional to 220,714.48, 304,650.24 and 144,244.72 is: 199,099.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,714.48 : 304,650.24 = 144,244.72 : x
  2. Step 2: Convert to fraction form
    220,714.48/304,650.24 = 144,244.72/x
  3. Step 3: Cross multiply
    220,714.48x = 304,650.24 × 144,244.72
  4. Step 4: Simplify right side
    220,714.48x = 43,944,188,566.73
  5. Step 5: Solve for x
    x = 43,944,188,566.73/220,714.48
  6. Step 6: Final answer
    x = 199,099.71

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.