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Finding the Fourth Proportional to 794.23, 1,189.03 and 464.16

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Solution

The fourth proportional to 794.23, 1,189.03 and 464.16 is: 694.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    794.23 : 1,189.03 = 464.16 : x
  2. Step 2: Convert to fraction form
    794.23/1,189.03 = 464.16/x
  3. Step 3: Cross multiply
    794.23x = 1,189.03 × 464.16
  4. Step 4: Simplify right side
    794.23x = 551,900.16
  5. Step 5: Solve for x
    x = 551,900.16/794.23
  6. Step 6: Final answer
    x = 694.89

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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.