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Finding the Fourth Proportional to 941.99, 1,300.02 and 548.94

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Solution

The fourth proportional to 941.99, 1,300.02 and 548.94 is: 757.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    941.99 : 1,300.02 = 548.94 : x
  2. Step 2: Convert to fraction form
    941.99/1,300.02 = 548.94/x
  3. Step 3: Cross multiply
    941.99x = 1,300.02 × 548.94
  4. Step 4: Simplify right side
    941.99x = 713,632.98
  5. Step 5: Solve for x
    x = 713,632.98/941.99
  6. Step 6: Final answer
    x = 757.58

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.