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Finding the Fourth Proportional to 1,015.53, 1,522.38 and 467.43

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Solution

The fourth proportional to 1,015.53, 1,522.38 and 467.43 is: 700.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,015.53 : 1,522.38 = 467.43 : x
  2. Step 2: Convert to fraction form
    1,015.53/1,522.38 = 467.43/x
  3. Step 3: Cross multiply
    1,015.53x = 1,522.38 × 467.43
  4. Step 4: Simplify right side
    1,015.53x = 711,606.08
  5. Step 5: Solve for x
    x = 711,606.08/1,015.53
  6. Step 6: Final answer
    x = 700.72

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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.