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Finding the Fourth Proportional to 576,206.97, 795,240.86 and 321,611.01

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Solution

The fourth proportional to 576,206.97, 795,240.86 and 321,611.01 is: 443,865.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    576,206.97 : 795,240.86 = 321,611.01 : x
  2. Step 2: Convert to fraction form
    576,206.97/795,240.86 = 321,611.01/x
  3. Step 3: Cross multiply
    576,206.97x = 795,240.86 × 321,611.01
  4. Step 4: Simplify right side
    576,206.97x = 255,758,216,177.87
  5. Step 5: Solve for x
    x = 255,758,216,177.87/576,206.97
  6. Step 6: Final answer
    x = 443,865.19

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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.