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Finding the Fourth Proportional to 1,014.64, 1,522.37 and 365.83

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Solution

The fourth proportional to 1,014.64, 1,522.37 and 365.83 is: 548.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,014.64 : 1,522.37 = 365.83 : x
  2. Step 2: Convert to fraction form
    1,014.64/1,522.37 = 365.83/x
  3. Step 3: Cross multiply
    1,014.64x = 1,522.37 × 365.83
  4. Step 4: Simplify right side
    1,014.64x = 556,928.62
  5. Step 5: Solve for x
    x = 556,928.62/1,014.64
  6. Step 6: Final answer
    x = 548.89

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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.