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Finding the Fourth Proportional to 344.19, 475 and 188.94

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Solution

The fourth proportional to 344.19, 475 and 188.94 is: 260.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    344.19 : 475 = 188.94 : x
  2. Step 2: Convert to fraction form
    344.19/475 = 188.94/x
  3. Step 3: Cross multiply
    344.19x = 475 × 188.94
  4. Step 4: Simplify right side
    344.19x = 89,746.50
  5. Step 5: Solve for x
    x = 89,746.50/344.19
  6. Step 6: Final answer
    x = 260.75

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.