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Finding the Fourth Proportional to 580,727.21, 871,059.83 and 181,322.28

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Solution

The fourth proportional to 580,727.21, 871,059.83 and 181,322.28 is: 271,973.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    580,727.21 : 871,059.83 = 181,322.28 : x
  2. Step 2: Convert to fraction form
    580,727.21/871,059.83 = 181,322.28/x
  3. Step 3: Cross multiply
    580,727.21x = 871,059.83 × 181,322.28
  4. Step 4: Simplify right side
    580,727.21x = 157,942,553,485.40
  5. Step 5: Solve for x
    x = 157,942,553,485.40/580,727.21
  6. Step 6: Final answer
    x = 271,973.75

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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.