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Finding the Fourth Proportional to 592.91, 817.41 and 415.63

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Solution

The fourth proportional to 592.91, 817.41 and 415.63 is: 573.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    592.91 : 817.41 = 415.63 : x
  2. Step 2: Convert to fraction form
    592.91/817.41 = 415.63/x
  3. Step 3: Cross multiply
    592.91x = 817.41 × 415.63
  4. Step 4: Simplify right side
    592.91x = 339,738.07
  5. Step 5: Solve for x
    x = 339,738.07/592.91
  6. Step 6: Final answer
    x = 573.01

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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.