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Finding the Fourth Proportional to 437,576.50, 603,856.11 and 236,372.50

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Solution

The fourth proportional to 437,576.50, 603,856.11 and 236,372.50 is: 326,194.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    437,576.50 : 603,856.11 = 236,372.50 : x
  2. Step 2: Convert to fraction form
    437,576.50/603,856.11 = 236,372.50/x
  3. Step 3: Cross multiply
    437,576.50x = 603,856.11 × 236,372.50
  4. Step 4: Simplify right side
    437,576.50x = 142,734,978,360.98
  5. Step 5: Solve for x
    x = 142,734,978,360.98/437,576.50
  6. Step 6: Final answer
    x = 326,194.34

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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.