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Finding the Fourth Proportional to 295.94, 443.91 and 79.50

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Solution

The fourth proportional to 295.94, 443.91 and 79.50 is: 119.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    295.94 : 443.91 = 79.50 : x
  2. Step 2: Convert to fraction form
    295.94/443.91 = 79.50/x
  3. Step 3: Cross multiply
    295.94x = 443.91 × 79.50
  4. Step 4: Simplify right side
    295.94x = 35,290.85
  5. Step 5: Solve for x
    x = 35,290.85/295.94
  6. Step 6: Final answer
    x = 119.25

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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.