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Finding the Fourth Proportional to 476,163.50, 714,245.26 and 143,739.50

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Solution

The fourth proportional to 476,163.50, 714,245.26 and 143,739.50 is: 215,609.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    476,163.50 : 714,245.26 = 143,739.50 : x
  2. Step 2: Convert to fraction form
    476,163.50/714,245.26 = 143,739.50/x
  3. Step 3: Cross multiply
    476,163.50x = 714,245.26 × 143,739.50
  4. Step 4: Simplify right side
    476,163.50x = 102,665,256,549.77
  5. Step 5: Solve for x
    x = 102,665,256,549.77/476,163.50
  6. Step 6: Final answer
    x = 215,609.25

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Similar ratio
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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.