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Finding the Fourth Proportional to 952.53, 1,428.94 and 465.62

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Solution

The fourth proportional to 952.53, 1,428.94 and 465.62 is: 698.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    952.53 : 1,428.94 = 465.62 : x
  2. Step 2: Convert to fraction form
    952.53/1,428.94 = 465.62/x
  3. Step 3: Cross multiply
    952.53x = 1,428.94 × 465.62
  4. Step 4: Simplify right side
    952.53x = 665,336.48
  5. Step 5: Solve for x
    x = 665,336.48/952.53
  6. Step 6: Final answer
    x = 698.50

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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.