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Finding the Fourth Proportional to 228,874.60, 343,311.90 and 224,986.60

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Solution

The fourth proportional to 228,874.60, 343,311.90 and 224,986.60 is: 337,479.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    228,874.60 : 343,311.90 = 224,986.60 : x
  2. Step 2: Convert to fraction form
    228,874.60/343,311.90 = 224,986.60/x
  3. Step 3: Cross multiply
    228,874.60x = 343,311.90 × 224,986.60
  4. Step 4: Simplify right side
    228,874.60x = 77,240,577,120.54
  5. Step 5: Solve for x
    x = 77,240,577,120.54/228,874.60
  6. Step 6: Final answer
    x = 337,479.90

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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.