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Finding the Fourth Proportional to 384.69, 576.95 and 150.39

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Solution

The fourth proportional to 384.69, 576.95 and 150.39 is: 225.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    384.69 : 576.95 = 150.39 : x
  2. Step 2: Convert to fraction form
    384.69/576.95 = 150.39/x
  3. Step 3: Cross multiply
    384.69x = 576.95 × 150.39
  4. Step 4: Simplify right side
    384.69x = 86,766.76
  5. Step 5: Solve for x
    x = 86,766.76/384.69
  6. Step 6: Final answer
    x = 225.55

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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.