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Finding the Fourth Proportional to 269,673.68, 371,992.55 and 172,843.04

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Solution

The fourth proportional to 269,673.68, 371,992.55 and 172,843.04 is: 238,422.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,673.68 : 371,992.55 = 172,843.04 : x
  2. Step 2: Convert to fraction form
    269,673.68/371,992.55 = 172,843.04/x
  3. Step 3: Cross multiply
    269,673.68x = 371,992.55 × 172,843.04
  4. Step 4: Simplify right side
    269,673.68x = 64,296,323,265.12
  5. Step 5: Solve for x
    x = 64,296,323,265.12/269,673.68
  6. Step 6: Final answer
    x = 238,422.68

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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.