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Finding the Fourth Proportional to 848.02, 1,270.49 and 664.52

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Solution

The fourth proportional to 848.02, 1,270.49 and 664.52 is: 995.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    848.02 : 1,270.49 = 664.52 : x
  2. Step 2: Convert to fraction form
    848.02/1,270.49 = 664.52/x
  3. Step 3: Cross multiply
    848.02x = 1,270.49 × 664.52
  4. Step 4: Simplify right side
    848.02x = 844,266.01
  5. Step 5: Solve for x
    x = 844,266.01/848.02
  6. Step 6: Final answer
    x = 995.57

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.