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Finding the Fourth Proportional to 580,649.82, 870,974.40 and 181,324.81

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Solution

The fourth proportional to 580,649.82, 870,974.40 and 181,324.81 is: 271,987.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    580,649.82 : 870,974.40 = 181,324.81 : x
  2. Step 2: Convert to fraction form
    580,649.82/870,974.40 = 181,324.81/x
  3. Step 3: Cross multiply
    580,649.82x = 870,974.40 × 181,324.81
  4. Step 4: Simplify right side
    580,649.82x = 157,929,269,363.55
  5. Step 5: Solve for x
    x = 157,929,269,363.55/580,649.82
  6. Step 6: Final answer
    x = 271,987.12

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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.