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Finding the Fourth Proportional to 476.55, 715.28 and 233.24

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Solution

The fourth proportional to 476.55, 715.28 and 233.24 is: 350.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    476.55 : 715.28 = 233.24 : x
  2. Step 2: Convert to fraction form
    476.55/715.28 = 233.24/x
  3. Step 3: Cross multiply
    476.55x = 715.28 × 233.24
  4. Step 4: Simplify right side
    476.55x = 166,827.16
  5. Step 5: Solve for x
    x = 166,827.16/476.55
  6. Step 6: Final answer
    x = 350.07

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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.