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Finding the Fourth Proportional to 1,014.26, 1,522.06 and 437.26

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Solution

The fourth proportional to 1,014.26, 1,522.06 and 437.26 is: 656.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,014.26 : 1,522.06 = 437.26 : x
  2. Step 2: Convert to fraction form
    1,014.26/1,522.06 = 437.26/x
  3. Step 3: Cross multiply
    1,014.26x = 1,522.06 × 437.26
  4. Step 4: Simplify right side
    1,014.26x = 665,535.96
  5. Step 5: Solve for x
    x = 665,535.96/1,014.26
  6. Step 6: Final answer
    x = 656.18

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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.