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Finding the Fourth Proportional to 536,234.89, 804,380.02 and 136,879.13

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Solution

The fourth proportional to 536,234.89, 804,380.02 and 136,879.13 is: 205,325.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    536,234.89 : 804,380.02 = 136,879.13 : x
  2. Step 2: Convert to fraction form
    536,234.89/804,380.02 = 136,879.13/x
  3. Step 3: Cross multiply
    536,234.89x = 804,380.02 × 136,879.13
  4. Step 4: Simplify right side
    536,234.89x = 110,102,832,962.89
  5. Step 5: Solve for x
    x = 110,102,832,962.89/536,234.89
  6. Step 6: Final answer
    x = 205,325.75

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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.