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Finding the Fourth Proportional to 576,406.30, 795,407.70 and 321,773.62

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Solution

The fourth proportional to 576,406.30, 795,407.70 and 321,773.62 is: 444,029.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    576,406.30 : 795,407.70 = 321,773.62 : x
  2. Step 2: Convert to fraction form
    576,406.30/795,407.70 = 321,773.62/x
  3. Step 3: Cross multiply
    576,406.30x = 795,407.70 × 321,773.62
  4. Step 4: Simplify right side
    576,406.30x = 255,941,215,004.87
  5. Step 5: Solve for x
    x = 255,941,215,004.87/576,406.30
  6. Step 6: Final answer
    x = 444,029.18

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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.