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Finding the Fourth Proportional to 592.56, 817.56 and 356.52

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Solution

The fourth proportional to 592.56, 817.56 and 356.52 is: 491.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    592.56 : 817.56 = 356.52 : x
  2. Step 2: Convert to fraction form
    592.56/817.56 = 356.52/x
  3. Step 3: Cross multiply
    592.56x = 817.56 × 356.52
  4. Step 4: Simplify right side
    592.56x = 291,476.49
  5. Step 5: Solve for x
    x = 291,476.49/592.56
  6. Step 6: Final answer
    x = 491.89

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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.