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Finding the Fourth Proportional to 536,201.30, 804,593.55 and 220,690.10

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Solution

The fourth proportional to 536,201.30, 804,593.55 and 220,690.10 is: 331,155.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    536,201.30 : 804,593.55 = 220,690.10 : x
  2. Step 2: Convert to fraction form
    536,201.30/804,593.55 = 220,690.10/x
  3. Step 3: Cross multiply
    536,201.30x = 804,593.55 × 220,690.10
  4. Step 4: Simplify right side
    536,201.30x = 177,565,831,008.86
  5. Step 5: Solve for x
    x = 177,565,831,008.86/536,201.30
  6. Step 6: Final answer
    x = 331,155.17

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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.