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Finding the Fourth Proportional to 268,361.97, 370,342.38 and 145,854.34

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Solution

The fourth proportional to 268,361.97, 370,342.38 and 145,854.34 is: 201,280.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    268,361.97 : 370,342.38 = 145,854.34 : x
  2. Step 2: Convert to fraction form
    268,361.97/370,342.38 = 145,854.34/x
  3. Step 3: Cross multiply
    268,361.97x = 370,342.38 × 145,854.34
  4. Step 4: Simplify right side
    268,361.97x = 54,016,043,408.93
  5. Step 5: Solve for x
    x = 54,016,043,408.93/268,361.97
  6. Step 6: Final answer
    x = 201,280.54

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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.