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Finding the Fourth Proportional to 537,073.44, 741,103.92 and 310,676.64

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Solution

The fourth proportional to 537,073.44, 741,103.92 and 310,676.64 is: 428,700.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    537,073.44 : 741,103.92 = 310,676.64 : x
  2. Step 2: Convert to fraction form
    537,073.44/741,103.92 = 310,676.64/x
  3. Step 3: Cross multiply
    537,073.44x = 741,103.92 × 310,676.64
  4. Step 4: Simplify right side
    537,073.44x = 230,243,675,756.43
  5. Step 5: Solve for x
    x = 230,243,675,756.43/537,073.44
  6. Step 6: Final answer
    x = 428,700.54

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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.