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Finding the Fourth Proportional to 623.46, 935.19 and 190.62

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Solution

The fourth proportional to 623.46, 935.19 and 190.62 is: 285.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    623.46 : 935.19 = 190.62 : x
  2. Step 2: Convert to fraction form
    623.46/935.19 = 190.62/x
  3. Step 3: Cross multiply
    623.46x = 935.19 × 190.62
  4. Step 4: Simplify right side
    623.46x = 178,262.41
  5. Step 5: Solve for x
    x = 178,262.41/623.46
  6. Step 6: Final answer
    x = 285.92

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Double scale
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Similar ratio
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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.