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Finding the Fourth Proportional to 794.32, 1,190.06 and 382.44

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Solution

The fourth proportional to 794.32, 1,190.06 and 382.44 is: 572.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    794.32 : 1,190.06 = 382.44 : x
  2. Step 2: Convert to fraction form
    794.32/1,190.06 = 382.44/x
  3. Step 3: Cross multiply
    794.32x = 1,190.06 × 382.44
  4. Step 4: Simplify right side
    794.32x = 455,126.55
  5. Step 5: Solve for x
    x = 455,126.55/794.32
  6. Step 6: Final answer
    x = 572.98

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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.