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Finding the Fourth Proportional to 794.66, 1,191.42 and 301

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Solution

The fourth proportional to 794.66, 1,191.42 and 301 is: 451.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    794.66 : 1,191.42 = 301 : x
  2. Step 2: Convert to fraction form
    794.66/1,191.42 = 301/x
  3. Step 3: Cross multiply
    794.66x = 1,191.42 × 301
  4. Step 4: Simplify right side
    794.66x = 358,617.42
  5. Step 5: Solve for x
    x = 358,617.42/794.66
  6. Step 6: Final answer
    x = 451.28

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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.