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Finding the Fourth Proportional to 957.74, 1,437.84 and 496.46

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Solution

The fourth proportional to 957.74, 1,437.84 and 496.46 is: 745.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    957.74 : 1,437.84 = 496.46 : x
  2. Step 2: Convert to fraction form
    957.74/1,437.84 = 496.46/x
  3. Step 3: Cross multiply
    957.74x = 1,437.84 × 496.46
  4. Step 4: Simplify right side
    957.74x = 713,830.05
  5. Step 5: Solve for x
    x = 713,830.05/957.74
  6. Step 6: Final answer
    x = 745.33

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