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Finding the Fourth Proportional to 795.95, 1,194.95 and 613.47

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Solution

The fourth proportional to 795.95, 1,194.95 and 613.47 is: 921.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    795.95 : 1,194.95 = 613.47 : x
  2. Step 2: Convert to fraction form
    795.95/1,194.95 = 613.47/x
  3. Step 3: Cross multiply
    795.95x = 1,194.95 × 613.47
  4. Step 4: Simplify right side
    795.95x = 733,065.98
  5. Step 5: Solve for x
    x = 733,065.98/795.95
  6. Step 6: Final answer
    x = 921.00

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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.