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Finding the Fourth Proportional to 222,385.44, 333,581 and 72,624.56

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Solution

The fourth proportional to 222,385.44, 333,581 and 72,624.56 is: 108,937.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,385.44 : 333,581 = 72,624.56 : x
  2. Step 2: Convert to fraction form
    222,385.44/333,581 = 72,624.56/x
  3. Step 3: Cross multiply
    222,385.44x = 333,581 × 72,624.56
  4. Step 4: Simplify right side
    222,385.44x = 24,226,173,349.36
  5. Step 5: Solve for x
    x = 24,226,173,349.36/222,385.44
  6. Step 6: Final answer
    x = 108,937.77

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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.