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Finding the Fourth Proportional to 503,441.72, 755,161.64 and 148,704.84

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Solution

The fourth proportional to 503,441.72, 755,161.64 and 148,704.84 is: 223,056.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    503,441.72 : 755,161.64 = 148,704.84 : x
  2. Step 2: Convert to fraction form
    503,441.72/755,161.64 = 148,704.84/x
  3. Step 3: Cross multiply
    503,441.72x = 755,161.64 × 148,704.84
  4. Step 4: Simplify right side
    503,441.72x = 112,296,190,850.34
  5. Step 5: Solve for x
    x = 112,296,190,850.34/503,441.72
  6. Step 6: Final answer
    x = 223,056.98

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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.