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Finding the Fourth Proportional to 269,181.31, 371,486.79 and 148,322.58

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Solution

The fourth proportional to 269,181.31, 371,486.79 and 148,322.58 is: 204,694.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,181.31 : 371,486.79 = 148,322.58 : x
  2. Step 2: Convert to fraction form
    269,181.31/371,486.79 = 148,322.58/x
  3. Step 3: Cross multiply
    269,181.31x = 371,486.79 × 148,322.58
  4. Step 4: Simplify right side
    269,181.31x = 55,099,879,128.72
  5. Step 5: Solve for x
    x = 55,099,879,128.72/269,181.31
  6. Step 6: Final answer
    x = 204,694.30

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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.