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Finding the Fourth Proportional to 358.84, 537.94 and 185.50

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Solution

The fourth proportional to 358.84, 537.94 and 185.50 is: 278.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    358.84 : 537.94 = 185.50 : x
  2. Step 2: Convert to fraction form
    358.84/537.94 = 185.50/x
  3. Step 3: Cross multiply
    358.84x = 537.94 × 185.50
  4. Step 4: Simplify right side
    358.84x = 99,787.87
  5. Step 5: Solve for x
    x = 99,787.87/358.84
  6. Step 6: Final answer
    x = 278.08

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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.