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Finding the Fourth Proportional to 593.18, 818.58 and 344.51

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Solution

The fourth proportional to 593.18, 818.58 and 344.51 is: 475.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    593.18 : 818.58 = 344.51 : x
  2. Step 2: Convert to fraction form
    593.18/818.58 = 344.51/x
  3. Step 3: Cross multiply
    593.18x = 818.58 × 344.51
  4. Step 4: Simplify right side
    593.18x = 282,004.90
  5. Step 5: Solve for x
    x = 282,004.90/593.18
  6. Step 6: Final answer
    x = 475.42

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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.