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Finding the Fourth Proportional to 593.93, 817.89 and 581.15

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Solution

The fourth proportional to 593.93, 817.89 and 581.15 is: 800.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    593.93 : 817.89 = 581.15 : x
  2. Step 2: Convert to fraction form
    593.93/817.89 = 581.15/x
  3. Step 3: Cross multiply
    593.93x = 817.89 × 581.15
  4. Step 4: Simplify right side
    593.93x = 475,316.77
  5. Step 5: Solve for x
    x = 475,316.77/593.93
  6. Step 6: Final answer
    x = 800.29

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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.