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Finding the Fourth Proportional to 576,318.54, 795,246.20 and 321,680.46

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Solution

The fourth proportional to 576,318.54, 795,246.20 and 321,680.46 is: 443,878.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    576,318.54 : 795,246.20 = 321,680.46 : x
  2. Step 2: Convert to fraction form
    576,318.54/795,246.20 = 321,680.46/x
  3. Step 3: Cross multiply
    576,318.54x = 795,246.20 × 321,680.46
  4. Step 4: Simplify right side
    576,318.54x = 255,815,163,429.25
  5. Step 5: Solve for x
    x = 255,815,163,429.25/576,318.54
  6. Step 6: Final answer
    x = 443,878.07

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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.