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Finding the Fourth Proportional to 701.07, 967.44 and 386.34

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Solution

The fourth proportional to 701.07, 967.44 and 386.34 is: 533.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    701.07 : 967.44 = 386.34 : x
  2. Step 2: Convert to fraction form
    701.07/967.44 = 386.34/x
  3. Step 3: Cross multiply
    701.07x = 967.44 × 386.34
  4. Step 4: Simplify right side
    701.07x = 373,760.77
  5. Step 5: Solve for x
    x = 373,760.77/701.07
  6. Step 6: Final answer
    x = 533.13

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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.