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Finding the Fourth Proportional to 456,454.98, 629,896.50 and 252,517.23

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Solution

The fourth proportional to 456,454.98, 629,896.50 and 252,517.23 is: 348,467.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    456,454.98 : 629,896.50 = 252,517.23 : x
  2. Step 2: Convert to fraction form
    456,454.98/629,896.50 = 252,517.23/x
  3. Step 3: Cross multiply
    456,454.98x = 629,896.50 × 252,517.23
  4. Step 4: Simplify right side
    456,454.98x = 159,059,719,366.70
  5. Step 5: Solve for x
    x = 159,059,719,366.70/456,454.98
  6. Step 6: Final answer
    x = 348,467.49

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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.