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Finding the Fourth Proportional to 291,771.42, 437,288.98 and 156,500.01

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Solution

The fourth proportional to 291,771.42, 437,288.98 and 156,500.01 is: 234,552.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    291,771.42 : 437,288.98 = 156,500.01 : x
  2. Step 2: Convert to fraction form
    291,771.42/437,288.98 = 156,500.01/x
  3. Step 3: Cross multiply
    291,771.42x = 437,288.98 × 156,500.01
  4. Step 4: Simplify right side
    291,771.42x = 68,435,727,556.44
  5. Step 5: Solve for x
    x = 68,435,727,556.44/291,771.42
  6. Step 6: Final answer
    x = 234,552.54

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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.