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Finding the Fourth Proportional to 536,508.76, 804,202.62 and 394,142.35

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Solution

The fourth proportional to 536,508.76, 804,202.62 and 394,142.35 is: 590,801.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    536,508.76 : 804,202.62 = 394,142.35 : x
  2. Step 2: Convert to fraction form
    536,508.76/804,202.62 = 394,142.35/x
  3. Step 3: Cross multiply
    536,508.76x = 804,202.62 × 394,142.35
  4. Step 4: Simplify right side
    536,508.76x = 316,970,310,522.96
  5. Step 5: Solve for x
    x = 316,970,310,522.96/536,508.76
  6. Step 6: Final answer
    x = 590,801.74

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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.