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Finding the Fourth Proportional to 957.97, 1,437.83 and 496.03

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Solution

The fourth proportional to 957.97, 1,437.83 and 496.03 is: 744.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    957.97 : 1,437.83 = 496.03 : x
  2. Step 2: Convert to fraction form
    957.97/1,437.83 = 496.03/x
  3. Step 3: Cross multiply
    957.97x = 1,437.83 × 496.03
  4. Step 4: Simplify right side
    957.97x = 713,197.15
  5. Step 5: Solve for x
    x = 713,197.15/957.97
  6. Step 6: Final answer
    x = 744.49

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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.