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Finding the Fourth Proportional to 955.39, 1,433.79 and 370.48

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Solution

The fourth proportional to 955.39, 1,433.79 and 370.48 is: 556.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    955.39 : 1,433.79 = 370.48 : x
  2. Step 2: Convert to fraction form
    955.39/1,433.79 = 370.48/x
  3. Step 3: Cross multiply
    955.39x = 1,433.79 × 370.48
  4. Step 4: Simplify right side
    955.39x = 531,192.45
  5. Step 5: Solve for x
    x = 531,192.45/955.39
  6. Step 6: Final answer
    x = 556.00

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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.