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Finding the Fourth Proportional to 450,380.63, 621,533.16 and 246,449.41

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Solution

The fourth proportional to 450,380.63, 621,533.16 and 246,449.41 is: 340,104.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    450,380.63 : 621,533.16 = 246,449.41 : x
  2. Step 2: Convert to fraction form
    450,380.63/621,533.16 = 246,449.41/x
  3. Step 3: Cross multiply
    450,380.63x = 621,533.16 × 246,449.41
  4. Step 4: Simplify right side
    450,380.63x = 153,176,480,577.44
  5. Step 5: Solve for x
    x = 153,176,480,577.44/450,380.63
  6. Step 6: Final answer
    x = 340,104.51

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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.