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Finding the Fourth Proportional to 592.85, 818.09 and 356.84

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Solution

The fourth proportional to 592.85, 818.09 and 356.84 is: 492.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    592.85 : 818.09 = 356.84 : x
  2. Step 2: Convert to fraction form
    592.85/818.09 = 356.84/x
  3. Step 3: Cross multiply
    592.85x = 818.09 × 356.84
  4. Step 4: Simplify right side
    592.85x = 291,927.24
  5. Step 5: Solve for x
    x = 291,927.24/592.85
  6. Step 6: Final answer
    x = 492.41

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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.