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Finding the Fourth Proportional to 952.48, 1,428.84 and 367.46

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Solution

The fourth proportional to 952.48, 1,428.84 and 367.46 is: 551.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    952.48 : 1,428.84 = 367.46 : x
  2. Step 2: Convert to fraction form
    952.48/1,428.84 = 367.46/x
  3. Step 3: Cross multiply
    952.48x = 1,428.84 × 367.46
  4. Step 4: Simplify right side
    952.48x = 525,043.74
  5. Step 5: Solve for x
    x = 525,043.74/952.48
  6. Step 6: Final answer
    x = 551.24

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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.