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Finding the Fourth Proportional to 694.60, 957.36 and 473.44

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Solution

The fourth proportional to 694.60, 957.36 and 473.44 is: 652.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    694.60 : 957.36 = 473.44 : x
  2. Step 2: Convert to fraction form
    694.60/957.36 = 473.44/x
  3. Step 3: Cross multiply
    694.60x = 957.36 × 473.44
  4. Step 4: Simplify right side
    694.60x = 453,252.52
  5. Step 5: Solve for x
    x = 453,252.52/694.60
  6. Step 6: Final answer
    x = 652.54

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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.