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Finding the Fourth Proportional to 580,917.30, 871,113.51 and 206,950.02

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Solution

The fourth proportional to 580,917.30, 871,113.51 and 206,950.02 is: 310,331.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    580,917.30 : 871,113.51 = 206,950.02 : x
  2. Step 2: Convert to fraction form
    580,917.30/871,113.51 = 206,950.02/x
  3. Step 3: Cross multiply
    580,917.30x = 871,113.51 × 206,950.02
  4. Step 4: Simplify right side
    580,917.30x = 180,276,958,316.77
  5. Step 5: Solve for x
    x = 180,276,958,316.77/580,917.30
  6. Step 6: Final answer
    x = 310,331.54

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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.