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Finding the Fourth Proportional to 417,404.30, 626,204.72 and 332,336.88

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Solution

The fourth proportional to 417,404.30, 626,204.72 and 332,336.88 is: 498,583.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    417,404.30 : 626,204.72 = 332,336.88 : x
  2. Step 2: Convert to fraction form
    417,404.30/626,204.72 = 332,336.88/x
  3. Step 3: Cross multiply
    417,404.30x = 626,204.72 × 332,336.88
  4. Step 4: Simplify right side
    417,404.30x = 208,110,923,716.92
  5. Step 5: Solve for x
    x = 208,110,923,716.92/417,404.30
  6. Step 6: Final answer
    x = 498,583.57

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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.