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Finding the Fourth Proportional to 576,144.36, 795,104.64 and 321,496.56

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Solution

The fourth proportional to 576,144.36, 795,104.64 and 321,496.56 is: 443,679.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    576,144.36 : 795,104.64 = 321,496.56 : x
  2. Step 2: Convert to fraction form
    576,144.36/795,104.64 = 321,496.56/x
  3. Step 3: Cross multiply
    576,144.36x = 795,104.64 × 321,496.56
  4. Step 4: Simplify right side
    576,144.36x = 255,623,406,600.04
  5. Step 5: Solve for x
    x = 255,623,406,600.04/576,144.36
  6. Step 6: Final answer
    x = 443,679.44

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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.