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Finding the Fourth Proportional to 593.44, 818.72 and 344.72

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Solution

The fourth proportional to 593.44, 818.72 and 344.72 is: 475.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    593.44 : 818.72 = 344.72 : x
  2. Step 2: Convert to fraction form
    593.44/818.72 = 344.72/x
  3. Step 3: Cross multiply
    593.44x = 818.72 × 344.72
  4. Step 4: Simplify right side
    593.44x = 282,223.34
  5. Step 5: Solve for x
    x = 282,223.34/593.44
  6. Step 6: Final answer
    x = 475.57

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Double scale
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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.