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Finding the Fourth Proportional to 952.99, 1,430.30 and 376.27

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Solution

The fourth proportional to 952.99, 1,430.30 and 376.27 is: 564.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    952.99 : 1,430.30 = 376.27 : x
  2. Step 2: Convert to fraction form
    952.99/1,430.30 = 376.27/x
  3. Step 3: Cross multiply
    952.99x = 1,430.30 × 376.27
  4. Step 4: Simplify right side
    952.99x = 538,178.98
  5. Step 5: Solve for x
    x = 538,178.98/952.99
  6. Step 6: Final answer
    x = 564.73

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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.