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Finding the Fourth Proportional to 348,520.83, 522,803.11 and 111,858.27

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Solution

The fourth proportional to 348,520.83, 522,803.11 and 111,858.27 is: 167,794.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    348,520.83 : 522,803.11 = 111,858.27 : x
  2. Step 2: Convert to fraction form
    348,520.83/522,803.11 = 111,858.27/x
  3. Step 3: Cross multiply
    348,520.83x = 522,803.11 × 111,858.27
  4. Step 4: Simplify right side
    348,520.83x = 58,479,851,435.22
  5. Step 5: Solve for x
    x = 58,479,851,435.22/348,520.83
  6. Step 6: Final answer
    x = 167,794.42

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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.