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Finding the Fourth Proportional to 224,289.56, 336,491 and 74,530.64

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Solution

The fourth proportional to 224,289.56, 336,491 and 74,530.64 is: 111,814.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    224,289.56 : 336,491 = 74,530.64 : x
  2. Step 2: Convert to fraction form
    224,289.56/336,491 = 74,530.64/x
  3. Step 3: Cross multiply
    224,289.56x = 336,491 × 74,530.64
  4. Step 4: Simplify right side
    224,289.56x = 25,078,889,584.24
  5. Step 5: Solve for x
    x = 25,078,889,584.24/224,289.56
  6. Step 6: Final answer
    x = 111,814.79

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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.