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Finding the Fourth Proportional to 265.13, 395.74 and 246.56

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Solution

The fourth proportional to 265.13, 395.74 and 246.56 is: 368.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    265.13 : 395.74 = 246.56 : x
  2. Step 2: Convert to fraction form
    265.13/395.74 = 246.56/x
  3. Step 3: Cross multiply
    265.13x = 395.74 × 246.56
  4. Step 4: Simplify right side
    265.13x = 97,573.78
  5. Step 5: Solve for x
    x = 97,573.78/265.13
  6. Step 6: Final answer
    x = 368.02

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.