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Finding the Fourth Proportional to 1,046.72, 1,444.40 and 604.54

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Solution

The fourth proportional to 1,046.72, 1,444.40 and 604.54 is: 834.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,046.72 : 1,444.40 = 604.54 : x
  2. Step 2: Convert to fraction form
    1,046.72/1,444.40 = 604.54/x
  3. Step 3: Cross multiply
    1,046.72x = 1,444.40 × 604.54
  4. Step 4: Simplify right side
    1,046.72x = 873,197.58
  5. Step 5: Solve for x
    x = 873,197.58/1,046.72
  6. Step 6: Final answer
    x = 834.22

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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.