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Finding the Fourth Proportional to 592.56, 817.80 and 356.58

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Solution

The fourth proportional to 592.56, 817.80 and 356.58 is: 492.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    592.56 : 817.80 = 356.58 : x
  2. Step 2: Convert to fraction form
    592.56/817.80 = 356.58/x
  3. Step 3: Cross multiply
    592.56x = 817.80 × 356.58
  4. Step 4: Simplify right side
    592.56x = 291,611.12
  5. Step 5: Solve for x
    x = 291,611.12/592.56
  6. Step 6: Final answer
    x = 492.12

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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.