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Finding the Fourth Proportional to 592.42, 817.31 and 370.99

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Solution

The fourth proportional to 592.42, 817.31 and 370.99 is: 511.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    592.42 : 817.31 = 370.99 : x
  2. Step 2: Convert to fraction form
    592.42/817.31 = 370.99/x
  3. Step 3: Cross multiply
    592.42x = 817.31 × 370.99
  4. Step 4: Simplify right side
    592.42x = 303,211.19
  5. Step 5: Solve for x
    x = 303,211.19/592.42
  6. Step 6: Final answer
    x = 511.82

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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.