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Finding the Fourth Proportional to 622,361.80, 933,657.90 and 201,651.40

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Solution

The fourth proportional to 622,361.80, 933,657.90 and 201,651.40 is: 302,514.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    622,361.80 : 933,657.90 = 201,651.40 : x
  2. Step 2: Convert to fraction form
    622,361.80/933,657.90 = 201,651.40/x
  3. Step 3: Cross multiply
    622,361.80x = 933,657.90 × 201,651.40
  4. Step 4: Simplify right side
    622,361.80x = 188,273,422,656.06
  5. Step 5: Solve for x
    x = 188,273,422,656.06/622,361.80
  6. Step 6: Final answer
    x = 302,514.43

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1.5x scale

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.