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Finding the Fourth Proportional to 576,262.16, 795,242.31 and 321,613.28

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Solution

The fourth proportional to 576,262.16, 795,242.31 and 321,613.28 is: 443,826.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    576,262.16 : 795,242.31 = 321,613.28 : x
  2. Step 2: Convert to fraction form
    576,262.16/795,242.31 = 321,613.28/x
  3. Step 3: Cross multiply
    576,262.16x = 795,242.31 × 321,613.28
  4. Step 4: Simplify right side
    576,262.16x = 255,760,487,713.88
  5. Step 5: Solve for x
    x = 255,760,487,713.88/576,262.16
  6. Step 6: Final answer
    x = 443,826.62

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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.