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Finding the Fourth Proportional to 618,474.56, 847,099.84 and 582,160.64

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Solution

The fourth proportional to 618,474.56, 847,099.84 and 582,160.64 is: 797,362.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    618,474.56 : 847,099.84 = 582,160.64 : x
  2. Step 2: Convert to fraction form
    618,474.56/847,099.84 = 582,160.64/x
  3. Step 3: Cross multiply
    618,474.56x = 847,099.84 × 582,160.64
  4. Step 4: Simplify right side
    618,474.56x = 493,148,184,998.30
  5. Step 5: Solve for x
    x = 493,148,184,998.30/618,474.56
  6. Step 6: Final answer
    x = 797,362.12

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Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.