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Finding the Fourth Proportional to 959.44, 1,323.42 and 610.36

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Solution

The fourth proportional to 959.44, 1,323.42 and 610.36 is: 841.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    959.44 : 1,323.42 = 610.36 : x
  2. Step 2: Convert to fraction form
    959.44/1,323.42 = 610.36/x
  3. Step 3: Cross multiply
    959.44x = 1,323.42 × 610.36
  4. Step 4: Simplify right side
    959.44x = 807,762.63
  5. Step 5: Solve for x
    x = 807,762.63/959.44
  6. Step 6: Final answer
    x = 841.91

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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.