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Finding the Fourth Proportional to 269,322.40, 403,396.08 and 222,044.32

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Solution

The fourth proportional to 269,322.40, 403,396.08 and 222,044.32 is: 332,582.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,322.40 : 403,396.08 = 222,044.32 : x
  2. Step 2: Convert to fraction form
    269,322.40/403,396.08 = 222,044.32/x
  3. Step 3: Cross multiply
    269,322.40x = 403,396.08 × 222,044.32
  4. Step 4: Simplify right side
    269,322.40x = 89,571,808,274.27
  5. Step 5: Solve for x
    x = 89,571,808,274.27/269,322.40
  6. Step 6: Final answer
    x = 332,582.10

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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.