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Finding the Fourth Proportional to 449,544.24, 620,371.04 and 248,340.24

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Solution

The fourth proportional to 449,544.24, 620,371.04 and 248,340.24 is: 342,709.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    449,544.24 : 620,371.04 = 248,340.24 : x
  2. Step 2: Convert to fraction form
    449,544.24/620,371.04 = 248,340.24/x
  3. Step 3: Cross multiply
    449,544.24x = 620,371.04 × 248,340.24
  4. Step 4: Simplify right side
    449,544.24x = 154,063,091,720.95
  5. Step 5: Solve for x
    x = 154,063,091,720.95/449,544.24
  6. Step 6: Final answer
    x = 342,709.52

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Double scale
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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.