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Finding the Fourth Proportional to 580,992.36, 871,419.17 and 154,559.48

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Solution

The fourth proportional to 580,992.36, 871,419.17 and 154,559.48 is: 231,820.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    580,992.36 : 871,419.17 = 154,559.48 : x
  2. Step 2: Convert to fraction form
    580,992.36/871,419.17 = 154,559.48/x
  3. Step 3: Cross multiply
    580,992.36x = 871,419.17 × 154,559.48
  4. Step 4: Simplify right side
    580,992.36x = 134,686,093,777.23
  5. Step 5: Solve for x
    x = 134,686,093,777.23/580,992.36
  6. Step 6: Final answer
    x = 231,820.77

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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.