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Finding the Fourth Proportional to 580,997.18, 801,644.75 and 351,548.76

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Solution

The fourth proportional to 580,997.18, 801,644.75 and 351,548.76 is: 485,057.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    580,997.18 : 801,644.75 = 351,548.76 : x
  2. Step 2: Convert to fraction form
    580,997.18/801,644.75 = 351,548.76/x
  3. Step 3: Cross multiply
    580,997.18x = 801,644.75 × 351,548.76
  4. Step 4: Simplify right side
    580,997.18x = 281,817,217,823.01
  5. Step 5: Solve for x
    x = 281,817,217,823.01/580,997.18
  6. Step 6: Final answer
    x = 485,057.81

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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.