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Finding the Fourth Proportional to 269,360.40, 403,457.40 and 222,704.40

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Solution

The fourth proportional to 269,360.40, 403,457.40 and 222,704.40 is: 333,574.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,360.40 : 403,457.40 = 222,704.40 : x
  2. Step 2: Convert to fraction form
    269,360.40/403,457.40 = 222,704.40/x
  3. Step 3: Cross multiply
    269,360.40x = 403,457.40 × 222,704.40
  4. Step 4: Simplify right side
    269,360.40x = 89,851,738,192.56
  5. Step 5: Solve for x
    x = 89,851,738,192.56/269,360.40
  6. Step 6: Final answer
    x = 333,574.42

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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.