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Finding the Fourth Proportional to 269,928.90, 404,310.15 and 223,272.90

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Solution

The fourth proportional to 269,928.90, 404,310.15 and 223,272.90 is: 334,426.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,928.90 : 404,310.15 = 223,272.90 : x
  2. Step 2: Convert to fraction form
    269,928.90/404,310.15 = 223,272.90/x
  3. Step 3: Cross multiply
    269,928.90x = 404,310.15 × 223,272.90
  4. Step 4: Simplify right side
    269,928.90x = 90,271,499,689.94
  5. Step 5: Solve for x
    x = 90,271,499,689.94/269,928.90
  6. Step 6: Final answer
    x = 334,426.95

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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.