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Finding the Fourth Proportional to 959.99, 1,324.77 and 566.95

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Solution

The fourth proportional to 959.99, 1,324.77 and 566.95 is: 782.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    959.99 : 1,324.77 = 566.95 : x
  2. Step 2: Convert to fraction form
    959.99/1,324.77 = 566.95/x
  3. Step 3: Cross multiply
    959.99x = 1,324.77 × 566.95
  4. Step 4: Simplify right side
    959.99x = 751,078.35
  5. Step 5: Solve for x
    x = 751,078.35/959.99
  6. Step 6: Final answer
    x = 782.38

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1.5x scale

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.