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Finding the Fourth Proportional to 384.71, 579.17 and 350.69

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Solution

The fourth proportional to 384.71, 579.17 and 350.69 is: 527.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    384.71 : 579.17 = 350.69 : x
  2. Step 2: Convert to fraction form
    384.71/579.17 = 350.69/x
  3. Step 3: Cross multiply
    384.71x = 579.17 × 350.69
  4. Step 4: Simplify right side
    384.71x = 203,109.13
  5. Step 5: Solve for x
    x = 203,109.13/384.71
  6. Step 6: Final answer
    x = 527.95

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These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.