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Finding the Fourth Proportional to 655,236.01, 982,852.89 and 205,996.15

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Solution

The fourth proportional to 655,236.01, 982,852.89 and 205,996.15 is: 308,993.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    655,236.01 : 982,852.89 = 205,996.15 : x
  2. Step 2: Convert to fraction form
    655,236.01/982,852.89 = 205,996.15/x
  3. Step 3: Cross multiply
    655,236.01x = 982,852.89 × 205,996.15
  4. Step 4: Simplify right side
    655,236.01x = 202,463,911,356.37
  5. Step 5: Solve for x
    x = 202,463,911,356.37/655,236.01
  6. Step 6: Final answer
    x = 308,993.87

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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.