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Finding the Fourth Proportional to 384,483.52, 576,997.44 and 135,184.96

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Solution

The fourth proportional to 384,483.52, 576,997.44 and 135,184.96 is: 202,873.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    384,483.52 : 576,997.44 = 135,184.96 : x
  2. Step 2: Convert to fraction form
    384,483.52/576,997.44 = 135,184.96/x
  3. Step 3: Cross multiply
    384,483.52x = 576,997.44 × 135,184.96
  4. Step 4: Simplify right side
    384,483.52x = 78,001,375,846.50
  5. Step 5: Solve for x
    x = 78,001,375,846.50/384,483.52
  6. Step 6: Final answer
    x = 202,873.13

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.