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Finding the Fourth Proportional to 537,241.52, 741,418.44 and 310,843.28

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Solution

The fourth proportional to 537,241.52, 741,418.44 and 310,843.28 is: 428,978.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    537,241.52 : 741,418.44 = 310,843.28 : x
  2. Step 2: Convert to fraction form
    537,241.52/741,418.44 = 310,843.28/x
  3. Step 3: Cross multiply
    537,241.52x = 741,418.44 × 310,843.28
  4. Step 4: Simplify right side
    537,241.52x = 230,464,939,742.08
  5. Step 5: Solve for x
    x = 230,464,939,742.08/537,241.52
  6. Step 6: Final answer
    x = 428,978.27

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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.