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Finding the Fourth Proportional to 439,361.14, 606,344.52 and 248,392.30

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Solution

The fourth proportional to 439,361.14, 606,344.52 and 248,392.30 is: 342,796.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    439,361.14 : 606,344.52 = 248,392.30 : x
  2. Step 2: Convert to fraction form
    439,361.14/606,344.52 = 248,392.30/x
  3. Step 3: Cross multiply
    439,361.14x = 606,344.52 × 248,392.30
  4. Step 4: Simplify right side
    439,361.14x = 150,611,309,915.20
  5. Step 5: Solve for x
    x = 150,611,309,915.20/439,361.14
  6. Step 6: Final answer
    x = 342,796.16

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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.