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Finding the Fourth Proportional to 573.53, 792.38 and 529.79

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Solution

The fourth proportional to 573.53, 792.38 and 529.79 is: 731.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    573.53 : 792.38 = 529.79 : x
  2. Step 2: Convert to fraction form
    573.53/792.38 = 529.79/x
  3. Step 3: Cross multiply
    573.53x = 792.38 × 529.79
  4. Step 4: Simplify right side
    573.53x = 419,792.36
  5. Step 5: Solve for x
    x = 419,792.36/573.53
  6. Step 6: Final answer
    x = 731.95

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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.