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Finding the Fourth Proportional to 654,997.61, 982,496.42 and 181,682.97

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Solution

The fourth proportional to 654,997.61, 982,496.42 and 181,682.97 is: 272,524.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    654,997.61 : 982,496.42 = 181,682.97 : x
  2. Step 2: Convert to fraction form
    654,997.61/982,496.42 = 181,682.97/x
  3. Step 3: Cross multiply
    654,997.61x = 982,496.42 × 181,682.97
  4. Step 4: Simplify right side
    654,997.61x = 178,502,870,056.21
  5. Step 5: Solve for x
    x = 178,502,870,056.21/654,997.61
  6. Step 6: Final answer
    x = 272,524.46

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Double scale
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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.