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Finding the Fourth Proportional to 272,364.60, 408,546.90 and 246,995.40

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Solution

The fourth proportional to 272,364.60, 408,546.90 and 246,995.40 is: 370,493.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    272,364.60 : 408,546.90 = 246,995.40 : x
  2. Step 2: Convert to fraction form
    272,364.60/408,546.90 = 246,995.40/x
  3. Step 3: Cross multiply
    272,364.60x = 408,546.90 × 246,995.40
  4. Step 4: Simplify right side
    272,364.60x = 100,909,204,984.26
  5. Step 5: Solve for x
    x = 100,909,204,984.26/272,364.60
  6. Step 6: Final answer
    x = 370,493.10

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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.