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Finding the Fourth Proportional to 751.14, 1,126.44 and 264.06

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Solution

The fourth proportional to 751.14, 1,126.44 and 264.06 is: 396.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    751.14 : 1,126.44 = 264.06 : x
  2. Step 2: Convert to fraction form
    751.14/1,126.44 = 264.06/x
  3. Step 3: Cross multiply
    751.14x = 1,126.44 × 264.06
  4. Step 4: Simplify right side
    751.14x = 297,447.75
  5. Step 5: Solve for x
    x = 297,447.75/751.14
  6. Step 6: Final answer
    x = 396.00

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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.