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Finding the Fourth Proportional to 270,940.40, 405,827.40 and 224,284.40

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Solution

The fourth proportional to 270,940.40, 405,827.40 and 224,284.40 is: 335,943.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    270,940.40 : 405,827.40 = 224,284.40 : x
  2. Step 2: Convert to fraction form
    270,940.40/405,827.40 = 224,284.40/x
  3. Step 3: Cross multiply
    270,940.40x = 405,827.40 × 224,284.40
  4. Step 4: Simplify right side
    270,940.40x = 91,020,754,912.56
  5. Step 5: Solve for x
    x = 91,020,754,912.56/270,940.40
  6. Step 6: Final answer
    x = 335,943.83

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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.