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Finding the Fourth Proportional to 289,495.36, 433,601.44 and 222,441.92

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Solution

The fourth proportional to 289,495.36, 433,601.44 and 222,441.92 is: 333,169.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    289,495.36 : 433,601.44 = 222,441.92 : x
  2. Step 2: Convert to fraction form
    289,495.36/433,601.44 = 222,441.92/x
  3. Step 3: Cross multiply
    289,495.36x = 433,601.44 × 222,441.92
  4. Step 4: Simplify right side
    289,495.36x = 96,451,136,828.36
  5. Step 5: Solve for x
    x = 96,451,136,828.36/289,495.36
  6. Step 6: Final answer
    x = 333,169.89

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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.