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Finding the Fourth Proportional to 952.18, 1,428.63 and 335.95

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Solution

The fourth proportional to 952.18, 1,428.63 and 335.95 is: 504.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    952.18 : 1,428.63 = 335.95 : x
  2. Step 2: Convert to fraction form
    952.18/1,428.63 = 335.95/x
  3. Step 3: Cross multiply
    952.18x = 1,428.63 × 335.95
  4. Step 4: Simplify right side
    952.18x = 479,948.25
  5. Step 5: Solve for x
    x = 479,948.25/952.18
  6. Step 6: Final answer
    x = 504.05

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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.