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Finding the Fourth Proportional to 593.84, 818.88 and 372.72

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Solution

The fourth proportional to 593.84, 818.88 and 372.72 is: 513.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    593.84 : 818.88 = 372.72 : x
  2. Step 2: Convert to fraction form
    593.84/818.88 = 372.72/x
  3. Step 3: Cross multiply
    593.84x = 818.88 × 372.72
  4. Step 4: Simplify right side
    593.84x = 305,212.95
  5. Step 5: Solve for x
    x = 305,212.95/593.84
  6. Step 6: Final answer
    x = 513.96

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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.