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Finding the Fourth Proportional to 275,998.23, 413,997.35 and 89,009.73

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Solution

The fourth proportional to 275,998.23, 413,997.35 and 89,009.73 is: 133,514.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    275,998.23 : 413,997.35 = 89,009.73 : x
  2. Step 2: Convert to fraction form
    275,998.23/413,997.35 = 89,009.73/x
  3. Step 3: Cross multiply
    275,998.23x = 413,997.35 × 89,009.73
  4. Step 4: Simplify right side
    275,998.23x = 36,849,791,899.17
  5. Step 5: Solve for x
    x = 36,849,791,899.17/275,998.23
  6. Step 6: Final answer
    x = 133,514.60

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Similar ratio
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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.