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Finding the Fourth Proportional to 797.94, 1,197.05 and 365.13

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Solution

The fourth proportional to 797.94, 1,197.05 and 365.13 is: 547.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    797.94 : 1,197.05 = 365.13 : x
  2. Step 2: Convert to fraction form
    797.94/1,197.05 = 365.13/x
  3. Step 3: Cross multiply
    797.94x = 1,197.05 × 365.13
  4. Step 4: Simplify right side
    797.94x = 437,077.04
  5. Step 5: Solve for x
    x = 437,077.04/797.94
  6. Step 6: Final answer
    x = 547.76

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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.