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Finding the Fourth Proportional to 555.05, 832.62 and 144.18

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Solution

The fourth proportional to 555.05, 832.62 and 144.18 is: 216.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    555.05 : 832.62 = 144.18 : x
  2. Step 2: Convert to fraction form
    555.05/832.62 = 144.18/x
  3. Step 3: Cross multiply
    555.05x = 832.62 × 144.18
  4. Step 4: Simplify right side
    555.05x = 120,047.15
  5. Step 5: Solve for x
    x = 120,047.15/555.05
  6. Step 6: Final answer
    x = 216.28

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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.