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Finding the Fourth Proportional to 957.37, 1,436.06 and 273.37

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Solution

The fourth proportional to 957.37, 1,436.06 and 273.37 is: 410.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    957.37 : 1,436.06 = 273.37 : x
  2. Step 2: Convert to fraction form
    957.37/1,436.06 = 273.37/x
  3. Step 3: Cross multiply
    957.37x = 1,436.06 × 273.37
  4. Step 4: Simplify right side
    957.37x = 392,574.36
  5. Step 5: Solve for x
    x = 392,574.36/957.37
  6. Step 6: Final answer
    x = 410.06

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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.