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Finding the Fourth Proportional to 370.76, 556.56 and 294.66

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Solution

The fourth proportional to 370.76, 556.56 and 294.66 is: 442.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    370.76 : 556.56 = 294.66 : x
  2. Step 2: Convert to fraction form
    370.76/556.56 = 294.66/x
  3. Step 3: Cross multiply
    370.76x = 556.56 × 294.66
  4. Step 4: Simplify right side
    370.76x = 163,995.97
  5. Step 5: Solve for x
    x = 163,995.97/370.76
  6. Step 6: Final answer
    x = 442.33

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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.