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Finding the Fourth Proportional to 1,704.99, 2,352.22 and 1,257.93

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Solution

The fourth proportional to 1,704.99, 2,352.22 and 1,257.93 is: 1,735.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,704.99 : 2,352.22 = 1,257.93 : x
  2. Step 2: Convert to fraction form
    1,704.99/2,352.22 = 1,257.93/x
  3. Step 3: Cross multiply
    1,704.99x = 2,352.22 × 1,257.93
  4. Step 4: Simplify right side
    1,704.99x = 2,958,928.10
  5. Step 5: Solve for x
    x = 2,958,928.10/1,704.99
  6. Step 6: Final answer
    x = 1,735.45

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.