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Finding the Fourth Proportional to 580,049.86, 800,474.27 and 325,406.51

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Solution

The fourth proportional to 580,049.86, 800,474.27 and 325,406.51 is: 449,064.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    580,049.86 : 800,474.27 = 325,406.51 : x
  2. Step 2: Convert to fraction form
    580,049.86/800,474.27 = 325,406.51/x
  3. Step 3: Cross multiply
    580,049.86x = 800,474.27 × 325,406.51
  4. Step 4: Simplify right side
    580,049.86x = 260,479,543,166.16
  5. Step 5: Solve for x
    x = 260,479,543,166.16/580,049.86
  6. Step 6: Final answer
    x = 449,064.06

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.