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Finding the Fourth Proportional to 576,260.16, 795,239.55 and 321,611.28

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Solution

The fourth proportional to 576,260.16, 795,239.55 and 321,611.28 is: 443,823.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    576,260.16 : 795,239.55 = 321,611.28 : x
  2. Step 2: Convert to fraction form
    576,260.16/795,239.55 = 321,611.28/x
  3. Step 3: Cross multiply
    576,260.16x = 795,239.55 × 321,611.28
  4. Step 4: Simplify right side
    576,260.16x = 255,758,009,582.12
  5. Step 5: Solve for x
    x = 255,758,009,582.12/576,260.16
  6. Step 6: Final answer
    x = 443,823.86

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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.