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Finding the Fourth Proportional to 1,730.49, 2,388.01 and 944.54

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Solution

The fourth proportional to 1,730.49, 2,388.01 and 944.54 is: 1,303.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,730.49 : 2,388.01 = 944.54 : x
  2. Step 2: Convert to fraction form
    1,730.49/2,388.01 = 944.54/x
  3. Step 3: Cross multiply
    1,730.49x = 2,388.01 × 944.54
  4. Step 4: Simplify right side
    1,730.49x = 2,255,556.66
  5. Step 5: Solve for x
    x = 2,255,556.66/1,730.49
  6. Step 6: Final answer
    x = 1,303.42

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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.