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Finding the Fourth Proportional to 269,342.20, 404,450.70 and 180,987.40

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Solution

The fourth proportional to 269,342.20, 404,450.70 and 180,987.40 is: 271,775.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,342.20 : 404,450.70 = 180,987.40 : x
  2. Step 2: Convert to fraction form
    269,342.20/404,450.70 = 180,987.40/x
  3. Step 3: Cross multiply
    269,342.20x = 404,450.70 × 180,987.40
  4. Step 4: Simplify right side
    269,342.20x = 73,200,480,621.18
  5. Step 5: Solve for x
    x = 73,200,480,621.18/269,342.20
  6. Step 6: Final answer
    x = 271,775.02

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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.