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Finding the Fourth Proportional to 701.10, 967.49 and 386.36

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Solution

The fourth proportional to 701.10, 967.49 and 386.36 is: 533.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    701.10 : 967.49 = 386.36 : x
  2. Step 2: Convert to fraction form
    701.10/967.49 = 386.36/x
  3. Step 3: Cross multiply
    701.10x = 967.49 × 386.36
  4. Step 4: Simplify right side
    701.10x = 373,799.44
  5. Step 5: Solve for x
    x = 373,799.44/701.10
  6. Step 6: Final answer
    x = 533.16

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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.