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Finding the Fourth Proportional to 848.66, 1,170.79 and 599.99

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Solution

The fourth proportional to 848.66, 1,170.79 and 599.99 is: 827.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    848.66 : 1,170.79 = 599.99 : x
  2. Step 2: Convert to fraction form
    848.66/1,170.79 = 599.99/x
  3. Step 3: Cross multiply
    848.66x = 1,170.79 × 599.99
  4. Step 4: Simplify right side
    848.66x = 702,454.94
  5. Step 5: Solve for x
    x = 702,454.94/848.66
  6. Step 6: Final answer
    x = 827.73

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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.