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Finding the Fourth Proportional to 580,850.54, 801,563.65 and 322,729.87

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Solution

The fourth proportional to 580,850.54, 801,563.65 and 322,729.87 is: 445,361.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    580,850.54 : 801,563.65 = 322,729.87 : x
  2. Step 2: Convert to fraction form
    580,850.54/801,563.65 = 322,729.87/x
  3. Step 3: Cross multiply
    580,850.54x = 801,563.65 × 322,729.87
  4. Step 4: Simplify right side
    580,850.54x = 258,688,531,253.42
  5. Step 5: Solve for x
    x = 258,688,531,253.42/580,850.54
  6. Step 6: Final answer
    x = 445,361.61

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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.