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Finding the Fourth Proportional to 1,700.28, 2,549.94 and 604.05

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Solution

The fourth proportional to 1,700.28, 2,549.94 and 604.05 is: 905.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,700.28 : 2,549.94 = 604.05 : x
  2. Step 2: Convert to fraction form
    1,700.28/2,549.94 = 604.05/x
  3. Step 3: Cross multiply
    1,700.28x = 2,549.94 × 604.05
  4. Step 4: Simplify right side
    1,700.28x = 1,540,291.26
  5. Step 5: Solve for x
    x = 1,540,291.26/1,700.28
  6. Step 6: Final answer
    x = 905.90

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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.