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Finding the Fourth Proportional to 458,361.39, 632,529.18 and 254,400.34

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Solution

The fourth proportional to 458,361.39, 632,529.18 and 254,400.34 is: 351,067.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    458,361.39 : 632,529.18 = 254,400.34 : x
  2. Step 2: Convert to fraction form
    458,361.39/632,529.18 = 254,400.34/x
  3. Step 3: Cross multiply
    458,361.39x = 632,529.18 × 254,400.34
  4. Step 4: Simplify right side
    458,361.39x = 160,915,638,451.92
  5. Step 5: Solve for x
    x = 160,915,638,451.92/458,361.39
  6. Step 6: Final answer
    x = 351,067.18

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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.