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Finding the Fourth Proportional to 295.84, 408 and 192.32

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Solution

The fourth proportional to 295.84, 408 and 192.32 is: 265.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    295.84 : 408 = 192.32 : x
  2. Step 2: Convert to fraction form
    295.84/408 = 192.32/x
  3. Step 3: Cross multiply
    295.84x = 408 × 192.32
  4. Step 4: Simplify right side
    295.84x = 78,466.56
  5. Step 5: Solve for x
    x = 78,466.56/295.84
  6. Step 6: Final answer
    x = 265.23

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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.