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Finding the Fourth Proportional to 417,791.88, 576,549.63 and 226,801.44

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Solution

The fourth proportional to 417,791.88, 576,549.63 and 226,801.44 is: 312,984.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    417,791.88 : 576,549.63 = 226,801.44 : x
  2. Step 2: Convert to fraction form
    417,791.88/576,549.63 = 226,801.44/x
  3. Step 3: Cross multiply
    417,791.88x = 576,549.63 × 226,801.44
  4. Step 4: Simplify right side
    417,791.88x = 130,762,286,315.47
  5. Step 5: Solve for x
    x = 130,762,286,315.47/417,791.88
  6. Step 6: Final answer
    x = 312,984.27

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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.