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Finding the Fourth Proportional to 585.92, 808.74 and 361.94

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Solution

The fourth proportional to 585.92, 808.74 and 361.94 is: 499.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    585.92 : 808.74 = 361.94 : x
  2. Step 2: Convert to fraction form
    585.92/808.74 = 361.94/x
  3. Step 3: Cross multiply
    585.92x = 808.74 × 361.94
  4. Step 4: Simplify right side
    585.92x = 292,715.36
  5. Step 5: Solve for x
    x = 292,715.36/585.92
  6. Step 6: Final answer
    x = 499.58

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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.