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Finding the Fourth Proportional to 593.13, 815.17 and 556.41

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Solution

The fourth proportional to 593.13, 815.17 and 556.41 is: 764.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    593.13 : 815.17 = 556.41 : x
  2. Step 2: Convert to fraction form
    593.13/815.17 = 556.41/x
  3. Step 3: Cross multiply
    593.13x = 815.17 × 556.41
  4. Step 4: Simplify right side
    593.13x = 453,567.35
  5. Step 5: Solve for x
    x = 453,567.35/593.13
  6. Step 6: Final answer
    x = 764.70

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Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.