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Finding the Fourth Proportional to 576,231.98, 795,280.28 and 321,599.57

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Solution

The fourth proportional to 576,231.98, 795,280.28 and 321,599.57 is: 443,852.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    576,231.98 : 795,280.28 = 321,599.57 : x
  2. Step 2: Convert to fraction form
    576,231.98/795,280.28 = 321,599.57/x
  3. Step 3: Cross multiply
    576,231.98x = 795,280.28 × 321,599.57
  4. Step 4: Simplify right side
    576,231.98x = 255,761,790,493.08
  5. Step 5: Solve for x
    x = 255,761,790,493.08/576,231.98
  6. Step 6: Final answer
    x = 443,852.13

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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.