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Finding the Fourth Proportional to 571,958.29, 789,372.44 and 330,240.46

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Solution

The fourth proportional to 571,958.29, 789,372.44 and 330,240.46 is: 455,772.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    571,958.29 : 789,372.44 = 330,240.46 : x
  2. Step 2: Convert to fraction form
    571,958.29/789,372.44 = 330,240.46/x
  3. Step 3: Cross multiply
    571,958.29x = 789,372.44 × 330,240.46
  4. Step 4: Simplify right side
    571,958.29x = 260,682,717,696.92
  5. Step 5: Solve for x
    x = 260,682,717,696.92/571,958.29
  6. Step 6: Final answer
    x = 455,772.25

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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.