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Finding the Fourth Proportional to 592.35, 817.48 and 356.34

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Solution

The fourth proportional to 592.35, 817.48 and 356.34 is: 491.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    592.35 : 817.48 = 356.34 : x
  2. Step 2: Convert to fraction form
    592.35/817.48 = 356.34/x
  3. Step 3: Cross multiply
    592.35x = 817.48 × 356.34
  4. Step 4: Simplify right side
    592.35x = 291,299.93
  5. Step 5: Solve for x
    x = 291,299.93/592.35
  6. Step 6: Final answer
    x = 491.77

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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.