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Finding the Fourth Proportional to 632,936.64, 949,404.93 and 189,704.64

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Solution

The fourth proportional to 632,936.64, 949,404.93 and 189,704.64 is: 284,556.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    632,936.64 : 949,404.93 = 189,704.64 : x
  2. Step 2: Convert to fraction form
    632,936.64/949,404.93 = 189,704.64/x
  3. Step 3: Cross multiply
    632,936.64x = 949,404.93 × 189,704.64
  4. Step 4: Simplify right side
    632,936.64x = 180,106,520,459.88
  5. Step 5: Solve for x
    x = 180,106,520,459.88/632,936.64
  6. Step 6: Final answer
    x = 284,556.95

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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.