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Finding the Fourth Proportional to 794.85, 1,191.81 and 706.02

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Solution

The fourth proportional to 794.85, 1,191.81 and 706.02 is: 1,058.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    794.85 : 1,191.81 = 706.02 : x
  2. Step 2: Convert to fraction form
    794.85/1,191.81 = 706.02/x
  3. Step 3: Cross multiply
    794.85x = 1,191.81 × 706.02
  4. Step 4: Simplify right side
    794.85x = 841,441.70
  5. Step 5: Solve for x
    x = 841,441.70/794.85
  6. Step 6: Final answer
    x = 1,058.62

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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.