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Finding the Fourth Proportional to 335,846.80, 503,759.40 and 111,217.60

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Solution

The fourth proportional to 335,846.80, 503,759.40 and 111,217.60 is: 166,822.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    335,846.80 : 503,759.40 = 111,217.60 : x
  2. Step 2: Convert to fraction form
    335,846.80/503,759.40 = 111,217.60/x
  3. Step 3: Cross multiply
    335,846.80x = 503,759.40 × 111,217.60
  4. Step 4: Simplify right side
    335,846.80x = 56,026,911,445.44
  5. Step 5: Solve for x
    x = 56,026,911,445.44/335,846.80
  6. Step 6: Final answer
    x = 166,822.82

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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.