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Finding the Fourth Proportional to 576,913.68, 796,140.90 and 322,264.89

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Solution

The fourth proportional to 576,913.68, 796,140.90 and 322,264.89 is: 444,725.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    576,913.68 : 796,140.90 = 322,264.89 : x
  2. Step 2: Convert to fraction form
    576,913.68/796,140.90 = 322,264.89/x
  3. Step 3: Cross multiply
    576,913.68x = 796,140.90 × 322,264.89
  4. Step 4: Simplify right side
    576,913.68x = 256,568,259,563.00
  5. Step 5: Solve for x
    x = 256,568,259,563.00/576,913.68
  6. Step 6: Final answer
    x = 444,725.56

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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.