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Finding the Fourth Proportional to 460,173.96, 635,236.02 and 309,358.44

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Solution

The fourth proportional to 460,173.96, 635,236.02 and 309,358.44 is: 427,046.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    460,173.96 : 635,236.02 = 309,358.44 : x
  2. Step 2: Convert to fraction form
    460,173.96/635,236.02 = 309,358.44/x
  3. Step 3: Cross multiply
    460,173.96x = 635,236.02 × 309,358.44
  4. Step 4: Simplify right side
    460,173.96x = 196,515,624,179.01
  5. Step 5: Solve for x
    x = 196,515,624,179.01/460,173.96
  6. Step 6: Final answer
    x = 427,046.38

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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.