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Finding the Fourth Proportional to 848.24, 1,267.60 and 801.44

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Solution

The fourth proportional to 848.24, 1,267.60 and 801.44 is: 1,197.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    848.24 : 1,267.60 = 801.44 : x
  2. Step 2: Convert to fraction form
    848.24/1,267.60 = 801.44/x
  3. Step 3: Cross multiply
    848.24x = 1,267.60 × 801.44
  4. Step 4: Simplify right side
    848.24x = 1,015,905.34
  5. Step 5: Solve for x
    x = 1,015,905.34/848.24
  6. Step 6: Final answer
    x = 1,197.66

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.