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Finding the Fourth Proportional to 576,188.32, 795,044.79 and 321,538.90

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Solution

The fourth proportional to 576,188.32, 795,044.79 and 321,538.90 is: 443,670.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    576,188.32 : 795,044.79 = 321,538.90 : x
  2. Step 2: Convert to fraction form
    576,188.32/795,044.79 = 321,538.90/x
  3. Step 3: Cross multiply
    576,188.32x = 795,044.79 × 321,538.90
  4. Step 4: Simplify right side
    576,188.32x = 255,637,827,227.33
  5. Step 5: Solve for x
    x = 255,637,827,227.33/576,188.32
  6. Step 6: Final answer
    x = 443,670.62

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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.