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Finding the Fourth Proportional to 857.99, 1,184.52 and 596.36

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Solution

The fourth proportional to 857.99, 1,184.52 and 596.36 is: 823.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    857.99 : 1,184.52 = 596.36 : x
  2. Step 2: Convert to fraction form
    857.99/1,184.52 = 596.36/x
  3. Step 3: Cross multiply
    857.99x = 1,184.52 × 596.36
  4. Step 4: Simplify right side
    857.99x = 706,405.54
  5. Step 5: Solve for x
    x = 706,405.54/857.99
  6. Step 6: Final answer
    x = 823.32

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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.