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Finding the Fourth Proportional to 468,847.44, 647,012.52 and 253,987.32

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Solution

The fourth proportional to 468,847.44, 647,012.52 and 253,987.32 is: 350,504.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    468,847.44 : 647,012.52 = 253,987.32 : x
  2. Step 2: Convert to fraction form
    468,847.44/647,012.52 = 253,987.32/x
  3. Step 3: Cross multiply
    468,847.44x = 647,012.52 × 253,987.32
  4. Step 4: Simplify right side
    468,847.44x = 164,332,975,961.25
  5. Step 5: Solve for x
    x = 164,332,975,961.25/468,847.44
  6. Step 6: Final answer
    x = 350,504.16

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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.