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Finding the Fourth Proportional to 795.43, 1,191.11 and 471.03

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Solution

The fourth proportional to 795.43, 1,191.11 and 471.03 is: 705.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    795.43 : 1,191.11 = 471.03 : x
  2. Step 2: Convert to fraction form
    795.43/1,191.11 = 471.03/x
  3. Step 3: Cross multiply
    795.43x = 1,191.11 × 471.03
  4. Step 4: Simplify right side
    795.43x = 561,048.54
  5. Step 5: Solve for x
    x = 561,048.54/795.43
  6. Step 6: Final answer
    x = 705.34

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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.