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Finding the Fourth Proportional to 945.24, 1,304.22 and 546.84

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Solution

The fourth proportional to 945.24, 1,304.22 and 546.84 is: 754.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    945.24 : 1,304.22 = 546.84 : x
  2. Step 2: Convert to fraction form
    945.24/1,304.22 = 546.84/x
  3. Step 3: Cross multiply
    945.24x = 1,304.22 × 546.84
  4. Step 4: Simplify right side
    945.24x = 713,199.66
  5. Step 5: Solve for x
    x = 713,199.66/945.24
  6. Step 6: Final answer
    x = 754.52

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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.