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Finding the Fourth Proportional to 794.93, 1,192.68 and 356.15

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Solution

The fourth proportional to 794.93, 1,192.68 and 356.15 is: 534.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    794.93 : 1,192.68 = 356.15 : x
  2. Step 2: Convert to fraction form
    794.93/1,192.68 = 356.15/x
  3. Step 3: Cross multiply
    794.93x = 1,192.68 × 356.15
  4. Step 4: Simplify right side
    794.93x = 424,772.98
  5. Step 5: Solve for x
    x = 424,772.98/794.93
  6. Step 6: Final answer
    x = 534.35

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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.