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Finding the Fourth Proportional to 365,000.72, 503,695.56 and 203,858.48

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Solution

The fourth proportional to 365,000.72, 503,695.56 and 203,858.48 is: 281,321.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    365,000.72 : 503,695.56 = 203,858.48 : x
  2. Step 2: Convert to fraction form
    365,000.72/503,695.56 = 203,858.48/x
  3. Step 3: Cross multiply
    365,000.72x = 503,695.56 × 203,858.48
  4. Step 4: Simplify right side
    365,000.72x = 102,682,611,244.35
  5. Step 5: Solve for x
    x = 102,682,611,244.35/365,000.72
  6. Step 6: Final answer
    x = 281,321.67

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.