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Finding the Fourth Proportional to 592.64, 818.66 and 475.38

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Solution

The fourth proportional to 592.64, 818.66 and 475.38 is: 656.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    592.64 : 818.66 = 475.38 : x
  2. Step 2: Convert to fraction form
    592.64/818.66 = 475.38/x
  3. Step 3: Cross multiply
    592.64x = 818.66 × 475.38
  4. Step 4: Simplify right side
    592.64x = 389,172.21
  5. Step 5: Solve for x
    x = 389,172.21/592.64
  6. Step 6: Final answer
    x = 656.68

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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.