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Finding the Fourth Proportional to 476.48, 714.70 and 168.52

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Solution

The fourth proportional to 476.48, 714.70 and 168.52 is: 252.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    476.48 : 714.70 = 168.52 : x
  2. Step 2: Convert to fraction form
    476.48/714.70 = 168.52/x
  3. Step 3: Cross multiply
    476.48x = 714.70 × 168.52
  4. Step 4: Simplify right side
    476.48x = 120,441.24
  5. Step 5: Solve for x
    x = 120,441.24/476.48
  6. Step 6: Final answer
    x = 252.77

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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.