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Finding the Fourth Proportional to 573.57, 792 and 377.46

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Solution

The fourth proportional to 573.57, 792 and 377.46 is: 521.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    573.57 : 792 = 377.46 : x
  2. Step 2: Convert to fraction form
    573.57/792 = 377.46/x
  3. Step 3: Cross multiply
    573.57x = 792 × 377.46
  4. Step 4: Simplify right side
    573.57x = 298,948.32
  5. Step 5: Solve for x
    x = 298,948.32/573.57
  6. Step 6: Final answer
    x = 521.21

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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.