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Finding the Fourth Proportional to 957.44, 1,435.98 and 372.44

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Solution

The fourth proportional to 957.44, 1,435.98 and 372.44 is: 558.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    957.44 : 1,435.98 = 372.44 : x
  2. Step 2: Convert to fraction form
    957.44/1,435.98 = 372.44/x
  3. Step 3: Cross multiply
    957.44x = 1,435.98 × 372.44
  4. Step 4: Simplify right side
    957.44x = 534,816.39
  5. Step 5: Solve for x
    x = 534,816.39/957.44
  6. Step 6: Final answer
    x = 558.59

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.