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Finding the Fourth Proportional to 529,311.38, 793,520.74 and 229,566.20

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Solution

The fourth proportional to 529,311.38, 793,520.74 and 229,566.20 is: 344,155.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    529,311.38 : 793,520.74 = 229,566.20 : x
  2. Step 2: Convert to fraction form
    529,311.38/793,520.74 = 229,566.20/x
  3. Step 3: Cross multiply
    529,311.38x = 793,520.74 × 229,566.20
  4. Step 4: Simplify right side
    529,311.38x = 182,165,540,198.05
  5. Step 5: Solve for x
    x = 182,165,540,198.05/529,311.38
  6. Step 6: Final answer
    x = 344,155.72

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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.