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Finding the Fourth Proportional to 1,172.00, 1,757.96 and 350.28

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Solution

The fourth proportional to 1,172.00, 1,757.96 and 350.28 is: 525.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,172.00 : 1,757.96 = 350.28 : x
  2. Step 2: Convert to fraction form
    1,172.00/1,757.96 = 350.28/x
  3. Step 3: Cross multiply
    1,172.00x = 1,757.96 × 350.28
  4. Step 4: Simplify right side
    1,172.00x = 615,776.48
  5. Step 5: Solve for x
    x = 615,776.48/1,172.00
  6. Step 6: Final answer
    x = 525.41

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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.