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Finding the Fourth Proportional to 503,751.12, 755,639.60 and 166,791.12

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Solution

The fourth proportional to 503,751.12, 755,639.60 and 166,791.12 is: 250,190.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    503,751.12 : 755,639.60 = 166,791.12 : x
  2. Step 2: Convert to fraction form
    503,751.12/755,639.60 = 166,791.12/x
  3. Step 3: Cross multiply
    503,751.12x = 755,639.60 × 166,791.12
  4. Step 4: Simplify right side
    503,751.12x = 126,033,975,200.35
  5. Step 5: Solve for x
    x = 126,033,975,200.35/503,751.12
  6. Step 6: Final answer
    x = 250,190.96

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1.5x scale

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.