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Finding the Fourth Proportional to 458,120.76, 632,185.31 and 254,169.51

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Solution

The fourth proportional to 458,120.76, 632,185.31 and 254,169.51 is: 350,742.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    458,120.76 : 632,185.31 = 254,169.51 : x
  2. Step 2: Convert to fraction form
    458,120.76/632,185.31 = 254,169.51/x
  3. Step 3: Cross multiply
    458,120.76x = 632,185.31 × 254,169.51
  4. Step 4: Simplify right side
    458,120.76x = 160,682,229,201.05
  5. Step 5: Solve for x
    x = 160,682,229,201.05/458,120.76
  6. Step 6: Final answer
    x = 350,742.08

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Double scale
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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.