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Finding the Fourth Proportional to 941.91, 1,300.01 and 549.17

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Solution

The fourth proportional to 941.91, 1,300.01 and 549.17 is: 757.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    941.91 : 1,300.01 = 549.17 : x
  2. Step 2: Convert to fraction form
    941.91/1,300.01 = 549.17/x
  3. Step 3: Cross multiply
    941.91x = 1,300.01 × 549.17
  4. Step 4: Simplify right side
    941.91x = 713,917.25
  5. Step 5: Solve for x
    x = 713,917.25/941.91
  6. Step 6: Final answer
    x = 757.95

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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.