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Finding the Fourth Proportional to 580,878.25, 871,111.18 and 170,433.01

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Solution

The fourth proportional to 580,878.25, 871,111.18 and 170,433.01 is: 255,589.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    580,878.25 : 871,111.18 = 170,433.01 : x
  2. Step 2: Convert to fraction form
    580,878.25/871,111.18 = 170,433.01/x
  3. Step 3: Cross multiply
    580,878.25x = 871,111.18 × 170,433.01
  4. Step 4: Simplify right side
    580,878.25x = 148,466,100,452.05
  5. Step 5: Solve for x
    x = 148,466,100,452.05/580,878.25
  6. Step 6: Final answer
    x = 255,589.02

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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.