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Finding the Fourth Proportional to 848.23, 1,170.79 and 533.27

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Solution

The fourth proportional to 848.23, 1,170.79 and 533.27 is: 736.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    848.23 : 1,170.79 = 533.27 : x
  2. Step 2: Convert to fraction form
    848.23/1,170.79 = 533.27/x
  3. Step 3: Cross multiply
    848.23x = 1,170.79 × 533.27
  4. Step 4: Simplify right side
    848.23x = 624,348.78
  5. Step 5: Solve for x
    x = 624,348.78/848.23
  6. Step 6: Final answer
    x = 736.06

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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.