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Finding the Fourth Proportional to 362,643.39, 500,239.40 and 226,440.88

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Solution

The fourth proportional to 362,643.39, 500,239.40 and 226,440.88 is: 312,358.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    362,643.39 : 500,239.40 = 226,440.88 : x
  2. Step 2: Convert to fraction form
    362,643.39/500,239.40 = 226,440.88/x
  3. Step 3: Cross multiply
    362,643.39x = 500,239.40 × 226,440.88
  4. Step 4: Simplify right side
    362,643.39x = 113,274,647,563.87
  5. Step 5: Solve for x
    x = 113,274,647,563.87/362,643.39
  6. Step 6: Final answer
    x = 312,358.23

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.