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Finding the Fourth Proportional to 580,913.51, 871,370.94 and 181,556.37

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Solution

The fourth proportional to 580,913.51, 871,370.94 and 181,556.37 is: 272,334.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    580,913.51 : 871,370.94 = 181,556.37 : x
  2. Step 2: Convert to fraction form
    580,913.51/871,370.94 = 181,556.37/x
  3. Step 3: Cross multiply
    580,913.51x = 871,370.94 × 181,556.37
  4. Step 4: Simplify right side
    580,913.51x = 158,202,944,789.89
  5. Step 5: Solve for x
    x = 158,202,944,789.89/580,913.51
  6. Step 6: Final answer
    x = 272,334.77

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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.