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Finding the Fourth Proportional to 555.59, 832.41 and 360.78

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Solution

The fourth proportional to 555.59, 832.41 and 360.78 is: 540.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    555.59 : 832.41 = 360.78 : x
  2. Step 2: Convert to fraction form
    555.59/832.41 = 360.78/x
  3. Step 3: Cross multiply
    555.59x = 832.41 × 360.78
  4. Step 4: Simplify right side
    555.59x = 300,316.88
  5. Step 5: Solve for x
    x = 300,316.88/555.59
  6. Step 6: Final answer
    x = 540.54

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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.