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Finding the Fourth Proportional to 325,536.40, 488,304.60 and 100,896.40

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Solution

The fourth proportional to 325,536.40, 488,304.60 and 100,896.40 is: 151,344.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    325,536.40 : 488,304.60 = 100,896.40 : x
  2. Step 2: Convert to fraction form
    325,536.40/488,304.60 = 100,896.40/x
  3. Step 3: Cross multiply
    325,536.40x = 488,304.60 × 100,896.40
  4. Step 4: Simplify right side
    325,536.40x = 49,268,176,243.44
  5. Step 5: Solve for x
    x = 49,268,176,243.44/325,536.40
  6. Step 6: Final answer
    x = 151,344.60

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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.