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Finding the Fourth Proportional to 952.49, 1,428.85 and 367.35

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Solution

The fourth proportional to 952.49, 1,428.85 and 367.35 is: 551.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    952.49 : 1,428.85 = 367.35 : x
  2. Step 2: Convert to fraction form
    952.49/1,428.85 = 367.35/x
  3. Step 3: Cross multiply
    952.49x = 1,428.85 × 367.35
  4. Step 4: Simplify right side
    952.49x = 524,886.21
  5. Step 5: Solve for x
    x = 524,886.21/952.49
  6. Step 6: Final answer
    x = 551.07

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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.