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Finding the Fourth Proportional to 952.98, 1,428.92 and 336.50

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Solution

The fourth proportional to 952.98, 1,428.92 and 336.50 is: 504.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    952.98 : 1,428.92 = 336.50 : x
  2. Step 2: Convert to fraction form
    952.98/1,428.92 = 336.50/x
  3. Step 3: Cross multiply
    952.98x = 1,428.92 × 336.50
  4. Step 4: Simplify right side
    952.98x = 480,831.58
  5. Step 5: Solve for x
    x = 480,831.58/952.98
  6. Step 6: Final answer
    x = 504.56

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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.