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Finding the Fourth Proportional to 793.84, 1,191 and 534.88

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Solution

The fourth proportional to 793.84, 1,191 and 534.88 is: 802.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    793.84 : 1,191 = 534.88 : x
  2. Step 2: Convert to fraction form
    793.84/1,191 = 534.88/x
  3. Step 3: Cross multiply
    793.84x = 1,191 × 534.88
  4. Step 4: Simplify right side
    793.84x = 637,042.08
  5. Step 5: Solve for x
    x = 637,042.08/793.84
  6. Step 6: Final answer
    x = 802.48

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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.