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Finding the Fourth Proportional to 476.53, 714.74 and 151.92

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Solution

The fourth proportional to 476.53, 714.74 and 151.92 is: 227.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    476.53 : 714.74 = 151.92 : x
  2. Step 2: Convert to fraction form
    476.53/714.74 = 151.92/x
  3. Step 3: Cross multiply
    476.53x = 714.74 × 151.92
  4. Step 4: Simplify right side
    476.53x = 108,585.47
  5. Step 5: Solve for x
    x = 108,585.47/476.53
  6. Step 6: Final answer
    x = 227.87

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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.