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Finding the Fourth Proportional to 291,771.77, 437,289.50 and 156,500.35

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Solution

The fourth proportional to 291,771.77, 437,289.50 and 156,500.35 is: 234,553.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    291,771.77 : 437,289.50 = 156,500.35 : x
  2. Step 2: Convert to fraction form
    291,771.77/437,289.50 = 156,500.35/x
  3. Step 3: Cross multiply
    291,771.77x = 437,289.50 × 156,500.35
  4. Step 4: Simplify right side
    291,771.77x = 68,435,959,099.35
  5. Step 5: Solve for x
    x = 68,435,959,099.35/291,771.77
  6. Step 6: Final answer
    x = 234,553.06

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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.