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Finding the Fourth Proportional to 797.56, 1,194.51 and 554.26

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Solution

The fourth proportional to 797.56, 1,194.51 and 554.26 is: 830.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    797.56 : 1,194.51 = 554.26 : x
  2. Step 2: Convert to fraction form
    797.56/1,194.51 = 554.26/x
  3. Step 3: Cross multiply
    797.56x = 1,194.51 × 554.26
  4. Step 4: Simplify right side
    797.56x = 662,069.11
  5. Step 5: Solve for x
    x = 662,069.11/797.56
  6. Step 6: Final answer
    x = 830.12

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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.