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Finding the Fourth Proportional to 797.16, 1,194.48 and 450.06

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Solution

The fourth proportional to 797.16, 1,194.48 and 450.06 is: 674.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    797.16 : 1,194.48 = 450.06 : x
  2. Step 2: Convert to fraction form
    797.16/1,194.48 = 450.06/x
  3. Step 3: Cross multiply
    797.16x = 1,194.48 × 450.06
  4. Step 4: Simplify right side
    797.16x = 537,587.67
  5. Step 5: Solve for x
    x = 537,587.67/797.16
  6. Step 6: Final answer
    x = 674.38

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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.