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Finding the Fourth Proportional to 959.94, 1,324.72 and 566.99

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Solution

The fourth proportional to 959.94, 1,324.72 and 566.99 is: 782.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    959.94 : 1,324.72 = 566.99 : x
  2. Step 2: Convert to fraction form
    959.94/1,324.72 = 566.99/x
  3. Step 3: Cross multiply
    959.94x = 1,324.72 × 566.99
  4. Step 4: Simplify right side
    959.94x = 751,102.99
  5. Step 5: Solve for x
    x = 751,102.99/959.94
  6. Step 6: Final answer
    x = 782.45

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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.