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Finding the Fourth Proportional to 1,746.56, 2,619.93 and 448.04

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Solution

The fourth proportional to 1,746.56, 2,619.93 and 448.04 is: 672.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,746.56 : 2,619.93 = 448.04 : x
  2. Step 2: Convert to fraction form
    1,746.56/2,619.93 = 448.04/x
  3. Step 3: Cross multiply
    1,746.56x = 2,619.93 × 448.04
  4. Step 4: Simplify right side
    1,746.56x = 1,173,833.44
  5. Step 5: Solve for x
    x = 1,173,833.44/1,746.56
  6. Step 6: Final answer
    x = 672.08

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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.