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Finding the Fourth Proportional to 417,964.32, 576,797.63 and 236,671.47

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Solution

The fourth proportional to 417,964.32, 576,797.63 and 236,671.47 is: 326,610.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    417,964.32 : 576,797.63 = 236,671.47 : x
  2. Step 2: Convert to fraction form
    417,964.32/576,797.63 = 236,671.47/x
  3. Step 3: Cross multiply
    417,964.32x = 576,797.63 × 236,671.47
  4. Step 4: Simplify right side
    417,964.32x = 136,511,541,801.26
  5. Step 5: Solve for x
    x = 136,511,541,801.26/417,964.32
  6. Step 6: Final answer
    x = 326,610.51

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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.