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Finding the Fourth Proportional to 700.95, 967.44 and 406.32

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Solution

The fourth proportional to 700.95, 967.44 and 406.32 is: 560.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    700.95 : 967.44 = 406.32 : x
  2. Step 2: Convert to fraction form
    700.95/967.44 = 406.32/x
  3. Step 3: Cross multiply
    700.95x = 967.44 × 406.32
  4. Step 4: Simplify right side
    700.95x = 393,090.22
  5. Step 5: Solve for x
    x = 393,090.22/700.95
  6. Step 6: Final answer
    x = 560.80

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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.