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Finding the Fourth Proportional to 655,119.64, 982,679.42 and 181,805.16

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Solution

The fourth proportional to 655,119.64, 982,679.42 and 181,805.16 is: 272,707.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    655,119.64 : 982,679.42 = 181,805.16 : x
  2. Step 2: Convert to fraction form
    655,119.64/982,679.42 = 181,805.16/x
  3. Step 3: Cross multiply
    655,119.64x = 982,679.42 × 181,805.16
  4. Step 4: Simplify right side
    655,119.64x = 178,656,189,181.81
  5. Step 5: Solve for x
    x = 178,656,189,181.81/655,119.64
  6. Step 6: Final answer
    x = 272,707.73

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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.