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Finding the Fourth Proportional to 417,694.54, 576,392.22 and 236,443.26

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Solution

The fourth proportional to 417,694.54, 576,392.22 and 236,443.26 is: 326,276.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    417,694.54 : 576,392.22 = 236,443.26 : x
  2. Step 2: Convert to fraction form
    417,694.54/576,392.22 = 236,443.26/x
  3. Step 3: Cross multiply
    417,694.54x = 576,392.22 × 236,443.26
  4. Step 4: Simplify right side
    417,694.54x = 136,284,055,535.44
  5. Step 5: Solve for x
    x = 136,284,055,535.44/417,694.54
  6. Step 6: Final answer
    x = 326,276.84

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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.