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Finding the Fourth Proportional to 458,057.49, 632,120.94 and 254,112.45

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Solution

The fourth proportional to 458,057.49, 632,120.94 and 254,112.45 is: 350,676.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    458,057.49 : 632,120.94 = 254,112.45 : x
  2. Step 2: Convert to fraction form
    458,057.49/632,120.94 = 254,112.45/x
  3. Step 3: Cross multiply
    458,057.49x = 632,120.94 × 254,112.45
  4. Step 4: Simplify right side
    458,057.49x = 160,629,800,759.70
  5. Step 5: Solve for x
    x = 160,629,800,759.70/458,057.49
  6. Step 6: Final answer
    x = 350,676.07

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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.