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Finding the Fourth Proportional to 559.96, 772.94 and 364

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Solution

The fourth proportional to 559.96, 772.94 and 364 is: 502.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    559.96 : 772.94 = 364 : x
  2. Step 2: Convert to fraction form
    559.96/772.94 = 364/x
  3. Step 3: Cross multiply
    559.96x = 772.94 × 364
  4. Step 4: Simplify right side
    559.96x = 281,350.16
  5. Step 5: Solve for x
    x = 281,350.16/559.96
  6. Step 6: Final answer
    x = 502.45

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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.