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Finding the Fourth Proportional to 957.44, 1,436.29 and 341.33

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Solution

The fourth proportional to 957.44, 1,436.29 and 341.33 is: 512.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    957.44 : 1,436.29 = 341.33 : x
  2. Step 2: Convert to fraction form
    957.44/1,436.29 = 341.33/x
  3. Step 3: Cross multiply
    957.44x = 1,436.29 × 341.33
  4. Step 4: Simplify right side
    957.44x = 490,240.83
  5. Step 5: Solve for x
    x = 490,240.83/957.44
  6. Step 6: Final answer
    x = 512.03

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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.