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Finding the Fourth Proportional to 794.24, 1,191.34 and 471.66

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Solution

The fourth proportional to 794.24, 1,191.34 and 471.66 is: 707.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    794.24 : 1,191.34 = 471.66 : x
  2. Step 2: Convert to fraction form
    794.24/1,191.34 = 471.66/x
  3. Step 3: Cross multiply
    794.24x = 1,191.34 × 471.66
  4. Step 4: Simplify right side
    794.24x = 561,907.42
  5. Step 5: Solve for x
    x = 561,907.42/794.24
  6. Step 6: Final answer
    x = 707.48

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1.5x scale

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.