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Finding the Fourth Proportional to 297,322.40, 444,817.20 and 269,328.80

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Solution

The fourth proportional to 297,322.40, 444,817.20 and 269,328.80 is: 402,936.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    297,322.40 : 444,817.20 = 269,328.80 : x
  2. Step 2: Convert to fraction form
    297,322.40/444,817.20 = 269,328.80/x
  3. Step 3: Cross multiply
    297,322.40x = 444,817.20 × 269,328.80
  4. Step 4: Simplify right side
    297,322.40x = 119,802,082,695.36
  5. Step 5: Solve for x
    x = 119,802,082,695.36/297,322.40
  6. Step 6: Final answer
    x = 402,936.62

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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.