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Finding the Fourth Proportional to 750.92, 1,126.56 and 264

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Solution

The fourth proportional to 750.92, 1,126.56 and 264 is: 396.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    750.92 : 1,126.56 = 264 : x
  2. Step 2: Convert to fraction form
    750.92/1,126.56 = 264/x
  3. Step 3: Cross multiply
    750.92x = 1,126.56 × 264
  4. Step 4: Simplify right side
    750.92x = 297,411.84
  5. Step 5: Solve for x
    x = 297,411.84/750.92
  6. Step 6: Final answer
    x = 396.06

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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.