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Finding the Fourth Proportional to 1,171.74, 1,757.54 and 350.03

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Solution

The fourth proportional to 1,171.74, 1,757.54 and 350.03 is: 525.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,171.74 : 1,757.54 = 350.03 : x
  2. Step 2: Convert to fraction form
    1,171.74/1,757.54 = 350.03/x
  3. Step 3: Cross multiply
    1,171.74x = 1,757.54 × 350.03
  4. Step 4: Simplify right side
    1,171.74x = 615,197.00
  5. Step 5: Solve for x
    x = 615,197.00/1,171.74
  6. Step 6: Final answer
    x = 525.03

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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.