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Finding the Fourth Proportional to 476.93, 715.37 and 233.38

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Solution

The fourth proportional to 476.93, 715.37 and 233.38 is: 350.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    476.93 : 715.37 = 233.38 : x
  2. Step 2: Convert to fraction form
    476.93/715.37 = 233.38/x
  3. Step 3: Cross multiply
    476.93x = 715.37 × 233.38
  4. Step 4: Simplify right side
    476.93x = 166,949.47
  5. Step 5: Solve for x
    x = 166,949.47/476.93
  6. Step 6: Final answer
    x = 350.05

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.