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Finding the Fourth Proportional to 798.08, 1,197.74 and 365.26

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Solution

The fourth proportional to 798.08, 1,197.74 and 365.26 is: 548.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    798.08 : 1,197.74 = 365.26 : x
  2. Step 2: Convert to fraction form
    798.08/1,197.74 = 365.26/x
  3. Step 3: Cross multiply
    798.08x = 1,197.74 × 365.26
  4. Step 4: Simplify right side
    798.08x = 437,486.51
  5. Step 5: Solve for x
    x = 437,486.51/798.08
  6. Step 6: Final answer
    x = 548.17

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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.