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Finding the Fourth Proportional to 371.10, 556.47 and 162.93

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Solution

The fourth proportional to 371.10, 556.47 and 162.93 is: 244.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    371.10 : 556.47 = 162.93 : x
  2. Step 2: Convert to fraction form
    371.10/556.47 = 162.93/x
  3. Step 3: Cross multiply
    371.10x = 556.47 × 162.93
  4. Step 4: Simplify right side
    371.10x = 90,664.61
  5. Step 5: Solve for x
    x = 90,664.61/371.10
  6. Step 6: Final answer
    x = 244.31

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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.