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Finding the Fourth Proportional to 592.08, 816.86 and 355.94

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Solution

The fourth proportional to 592.08, 816.86 and 355.94 is: 491.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    592.08 : 816.86 = 355.94 : x
  2. Step 2: Convert to fraction form
    592.08/816.86 = 355.94/x
  3. Step 3: Cross multiply
    592.08x = 816.86 × 355.94
  4. Step 4: Simplify right side
    592.08x = 290,755.61
  5. Step 5: Solve for x
    x = 290,755.61/592.08
  6. Step 6: Final answer
    x = 491.07

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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.