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Finding the Fourth Proportional to 449,825.36, 620,798.52 and 248,660.24

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Solution

The fourth proportional to 449,825.36, 620,798.52 and 248,660.24 is: 343,172.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    449,825.36 : 620,798.52 = 248,660.24 : x
  2. Step 2: Convert to fraction form
    449,825.36/620,798.52 = 248,660.24/x
  3. Step 3: Cross multiply
    449,825.36x = 620,798.52 × 248,660.24
  4. Step 4: Simplify right side
    449,825.36x = 154,367,908,974.85
  5. Step 5: Solve for x
    x = 154,367,908,974.85/449,825.36
  6. Step 6: Final answer
    x = 343,172.98

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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.