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Finding the Fourth Proportional to 534.84, 802.33 and 274.98

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Solution

The fourth proportional to 534.84, 802.33 and 274.98 is: 412.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    534.84 : 802.33 = 274.98 : x
  2. Step 2: Convert to fraction form
    534.84/802.33 = 274.98/x
  3. Step 3: Cross multiply
    534.84x = 802.33 × 274.98
  4. Step 4: Simplify right side
    534.84x = 220,624.70
  5. Step 5: Solve for x
    x = 220,624.70/534.84
  6. Step 6: Final answer
    x = 412.51

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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.