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Finding the Fourth Proportional to 417,793.35, 626,716.67 and 118,297.52

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Solution

The fourth proportional to 417,793.35, 626,716.67 and 118,297.52 is: 177,453.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    417,793.35 : 626,716.67 = 118,297.52 : x
  2. Step 2: Convert to fraction form
    417,793.35/626,716.67 = 118,297.52/x
  3. Step 3: Cross multiply
    417,793.35x = 626,716.67 × 118,297.52
  4. Step 4: Simplify right side
    417,793.35x = 74,139,024,078.59
  5. Step 5: Solve for x
    x = 74,139,024,078.59/417,793.35
  6. Step 6: Final answer
    x = 177,453.82

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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.