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Finding the Fourth Proportional to 224,288.56, 336,489.50 and 74,529.64

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Solution

The fourth proportional to 224,288.56, 336,489.50 and 74,529.64 is: 111,813.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    224,288.56 : 336,489.50 = 74,529.64 : x
  2. Step 2: Convert to fraction form
    224,288.56/336,489.50 = 74,529.64/x
  3. Step 3: Cross multiply
    224,288.56x = 336,489.50 × 74,529.64
  4. Step 4: Simplify right side
    224,288.56x = 25,078,441,298.78
  5. Step 5: Solve for x
    x = 25,078,441,298.78/224,288.56
  6. Step 6: Final answer
    x = 111,813.29

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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.