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Finding the Fourth Proportional to 573,910.28, 792,064.42 and 328,982.70

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Solution

The fourth proportional to 573,910.28, 792,064.42 and 328,982.70 is: 454,035.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    573,910.28 : 792,064.42 = 328,982.70 : x
  2. Step 2: Convert to fraction form
    573,910.28/792,064.42 = 328,982.70/x
  3. Step 3: Cross multiply
    573,910.28x = 792,064.42 × 328,982.70
  4. Step 4: Simplify right side
    573,910.28x = 260,575,491,465.53
  5. Step 5: Solve for x
    x = 260,575,491,465.53/573,910.28
  6. Step 6: Final answer
    x = 454,035.24

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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.