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Finding the Fourth Proportional to 700.73, 967.09 and 406.00

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Solution

The fourth proportional to 700.73, 967.09 and 406.00 is: 560.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    700.73 : 967.09 = 406.00 : x
  2. Step 2: Convert to fraction form
    700.73/967.09 = 406.00/x
  3. Step 3: Cross multiply
    700.73x = 967.09 × 406.00
  4. Step 4: Simplify right side
    700.73x = 392,635.11
  5. Step 5: Solve for x
    x = 392,635.11/700.73
  6. Step 6: Final answer
    x = 560.32

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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.