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Finding the Fourth Proportional to 269,660.10, 404,490.16 and 253,038.90

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Solution

The fourth proportional to 269,660.10, 404,490.16 and 253,038.90 is: 379,558.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,660.10 : 404,490.16 = 253,038.90 : x
  2. Step 2: Convert to fraction form
    269,660.10/404,490.16 = 253,038.90/x
  3. Step 3: Cross multiply
    269,660.10x = 404,490.16 × 253,038.90
  4. Step 4: Simplify right side
    269,660.10x = 102,351,745,147.22
  5. Step 5: Solve for x
    x = 102,351,745,147.22/269,660.10
  6. Step 6: Final answer
    x = 379,558.36

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.