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Finding the Fourth Proportional to 536,380.92, 804,675.18 and 203,931

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Solution

The fourth proportional to 536,380.92, 804,675.18 and 203,931 is: 305,935.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    536,380.92 : 804,675.18 = 203,931 : x
  2. Step 2: Convert to fraction form
    536,380.92/804,675.18 = 203,931/x
  3. Step 3: Cross multiply
    536,380.92x = 804,675.18 × 203,931
  4. Step 4: Simplify right side
    536,380.92x = 164,098,214,132.58
  5. Step 5: Solve for x
    x = 164,098,214,132.58/536,380.92
  6. Step 6: Final answer
    x = 305,935.96

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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.