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Finding the Fourth Proportional to 750.95, 1,126.46 and 264.00

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Solution

The fourth proportional to 750.95, 1,126.46 and 264.00 is: 396.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    750.95 : 1,126.46 = 264.00 : x
  2. Step 2: Convert to fraction form
    750.95/1,126.46 = 264.00/x
  3. Step 3: Cross multiply
    750.95x = 1,126.46 × 264.00
  4. Step 4: Simplify right side
    750.95x = 297,380.92
  5. Step 5: Solve for x
    x = 297,380.92/750.95
  6. Step 6: Final answer
    x = 396.01

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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.