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Finding the Fourth Proportional to 576,209.88, 795,244.86 and 321,613.92

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Solution

The fourth proportional to 576,209.88, 795,244.86 and 321,613.92 is: 443,869.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    576,209.88 : 795,244.86 = 321,613.92 : x
  2. Step 2: Convert to fraction form
    576,209.88/795,244.86 = 321,613.92/x
  3. Step 3: Cross multiply
    576,209.88x = 795,244.86 × 321,613.92
  4. Step 4: Simplify right side
    576,209.88x = 255,761,816,784.45
  5. Step 5: Solve for x
    x = 255,761,816,784.45/576,209.88
  6. Step 6: Final answer
    x = 443,869.20

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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.