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Finding the Fourth Proportional to 547,644.26, 755,433.69 and 329,701.34

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Solution

The fourth proportional to 547,644.26, 755,433.69 and 329,701.34 is: 454,797.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    547,644.26 : 755,433.69 = 329,701.34 : x
  2. Step 2: Convert to fraction form
    547,644.26/755,433.69 = 329,701.34/x
  3. Step 3: Cross multiply
    547,644.26x = 755,433.69 × 329,701.34
  4. Step 4: Simplify right side
    547,644.26x = 249,067,499,874.15
  5. Step 5: Solve for x
    x = 249,067,499,874.15/547,644.26
  6. Step 6: Final answer
    x = 454,797.97

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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.