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Finding the Fourth Proportional to 370.27, 555.86 and 233.89

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Solution

The fourth proportional to 370.27, 555.86 and 233.89 is: 351.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    370.27 : 555.86 = 233.89 : x
  2. Step 2: Convert to fraction form
    370.27/555.86 = 233.89/x
  3. Step 3: Cross multiply
    370.27x = 555.86 × 233.89
  4. Step 4: Simplify right side
    370.27x = 130,009.29
  5. Step 5: Solve for x
    x = 130,009.29/370.27
  6. Step 6: Final answer
    x = 351.12

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.