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Finding the Fourth Proportional to 358.02, 493.99 and 233.86

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Solution

The fourth proportional to 358.02, 493.99 and 233.86 is: 322.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    358.02 : 493.99 = 233.86 : x
  2. Step 2: Convert to fraction form
    358.02/493.99 = 233.86/x
  3. Step 3: Cross multiply
    358.02x = 493.99 × 233.86
  4. Step 4: Simplify right side
    358.02x = 115,526.15
  5. Step 5: Solve for x
    x = 115,526.15/358.02
  6. Step 6: Final answer
    x = 322.68

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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.