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Finding the Fourth Proportional to 576,186.82, 795,138.47 and 321,537.94

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Solution

The fourth proportional to 576,186.82, 795,138.47 and 321,537.94 is: 443,722.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    576,186.82 : 795,138.47 = 321,537.94 : x
  2. Step 2: Convert to fraction form
    576,186.82/795,138.47 = 321,537.94/x
  3. Step 3: Cross multiply
    576,186.82x = 795,138.47 × 321,537.94
  4. Step 4: Simplify right side
    576,186.82x = 255,667,185,658.55
  5. Step 5: Solve for x
    x = 255,667,185,658.55/576,186.82
  6. Step 6: Final answer
    x = 443,722.72

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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.