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Finding the Fourth Proportional to 667,056.57, 920,531.45 and 361,124.87

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Solution

The fourth proportional to 667,056.57, 920,531.45 and 361,124.87 is: 498,348.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    667,056.57 : 920,531.45 = 361,124.87 : x
  2. Step 2: Convert to fraction form
    667,056.57/920,531.45 = 361,124.87/x
  3. Step 3: Cross multiply
    667,056.57x = 920,531.45 × 361,124.87
  4. Step 4: Simplify right side
    667,056.57x = 332,426,793,803.88
  5. Step 5: Solve for x
    x = 332,426,793,803.88/667,056.57
  6. Step 6: Final answer
    x = 498,348.73

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