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Finding the Fourth Proportional to 292.02, 403.02 and 192.48

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Solution

The fourth proportional to 292.02, 403.02 and 192.48 is: 265.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    292.02 : 403.02 = 192.48 : x
  2. Step 2: Convert to fraction form
    292.02/403.02 = 192.48/x
  3. Step 3: Cross multiply
    292.02x = 403.02 × 192.48
  4. Step 4: Simplify right side
    292.02x = 77,573.29
  5. Step 5: Solve for x
    x = 77,573.29/292.02
  6. Step 6: Final answer
    x = 265.64

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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.