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Finding the Fourth Proportional to 269,528.80, 404,293.20 and 266,029.60

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Solution

The fourth proportional to 269,528.80, 404,293.20 and 266,029.60 is: 399,044.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,528.80 : 404,293.20 = 266,029.60 : x
  2. Step 2: Convert to fraction form
    269,528.80/404,293.20 = 266,029.60/x
  3. Step 3: Cross multiply
    269,528.80x = 404,293.20 × 266,029.60
  4. Step 4: Simplify right side
    269,528.80x = 107,553,958,278.72
  5. Step 5: Solve for x
    x = 107,553,958,278.72/269,528.80
  6. Step 6: Final answer
    x = 399,044.40

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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.