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Finding the Fourth Proportional to 441,003.60, 661,505.40 and 192,171.60

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Solution

The fourth proportional to 441,003.60, 661,505.40 and 192,171.60 is: 288,257.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    441,003.60 : 661,505.40 = 192,171.60 : x
  2. Step 2: Convert to fraction form
    441,003.60/661,505.40 = 192,171.60/x
  3. Step 3: Cross multiply
    441,003.60x = 661,505.40 × 192,171.60
  4. Step 4: Simplify right side
    441,003.60x = 127,122,551,126.64
  5. Step 5: Solve for x
    x = 127,122,551,126.64/441,003.60
  6. Step 6: Final answer
    x = 288,257.40

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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.