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Finding the Fourth Proportional to 522.96, 784.74 and 376.55

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Solution

The fourth proportional to 522.96, 784.74 and 376.55 is: 565.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    522.96 : 784.74 = 376.55 : x
  2. Step 2: Convert to fraction form
    522.96/784.74 = 376.55/x
  3. Step 3: Cross multiply
    522.96x = 784.74 × 376.55
  4. Step 4: Simplify right side
    522.96x = 295,489.92
  5. Step 5: Solve for x
    x = 295,489.92/522.96
  6. Step 6: Final answer
    x = 565.03

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