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Finding the Fourth Proportional to 592.42, 817.35 and 356.32

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Solution

The fourth proportional to 592.42, 817.35 and 356.32 is: 491.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    592.42 : 817.35 = 356.32 : x
  2. Step 2: Convert to fraction form
    592.42/817.35 = 356.32/x
  3. Step 3: Cross multiply
    592.42x = 817.35 × 356.32
  4. Step 4: Simplify right side
    592.42x = 291,238.15
  5. Step 5: Solve for x
    x = 291,238.15/592.42
  6. Step 6: Final answer
    x = 491.61

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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.