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Finding the Fourth Proportional to 975.24, 1,462.94 and 326.02

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Solution

The fourth proportional to 975.24, 1,462.94 and 326.02 is: 489.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    975.24 : 1,462.94 = 326.02 : x
  2. Step 2: Convert to fraction form
    975.24/1,462.94 = 326.02/x
  3. Step 3: Cross multiply
    975.24x = 1,462.94 × 326.02
  4. Step 4: Simplify right side
    975.24x = 476,947.70
  5. Step 5: Solve for x
    x = 476,947.70/975.24
  6. Step 6: Final answer
    x = 489.06

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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.