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Finding the Fourth Proportional to 794.97, 1,191.53 and 469.35

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Solution

The fourth proportional to 794.97, 1,191.53 and 469.35 is: 703.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    794.97 : 1,191.53 = 469.35 : x
  2. Step 2: Convert to fraction form
    794.97/1,191.53 = 469.35/x
  3. Step 3: Cross multiply
    794.97x = 1,191.53 × 469.35
  4. Step 4: Simplify right side
    794.97x = 559,242.26
  5. Step 5: Solve for x
    x = 559,242.26/794.97
  6. Step 6: Final answer
    x = 703.48

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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.