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Finding the Fourth Proportional to 410,516.70, 616,408.65 and 223,892.70

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Solution

The fourth proportional to 410,516.70, 616,408.65 and 223,892.70 is: 336,184.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    410,516.70 : 616,408.65 = 223,892.70 : x
  2. Step 2: Convert to fraction form
    410,516.70/616,408.65 = 223,892.70/x
  3. Step 3: Cross multiply
    410,516.70x = 616,408.65 × 223,892.70
  4. Step 4: Simplify right side
    410,516.70x = 138,009,396,951.86
  5. Step 5: Solve for x
    x = 138,009,396,951.86/410,516.70
  6. Step 6: Final answer
    x = 336,184.61

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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.