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Finding the Fourth Proportional to 269,519.44, 404,366.64 and 129,289.04

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Solution

The fourth proportional to 269,519.44, 404,366.64 and 129,289.04 is: 193,975.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,519.44 : 404,366.64 = 129,289.04 : x
  2. Step 2: Convert to fraction form
    269,519.44/404,366.64 = 129,289.04/x
  3. Step 3: Cross multiply
    269,519.44x = 404,366.64 × 129,289.04
  4. Step 4: Simplify right side
    269,519.44x = 52,280,174,693.63
  5. Step 5: Solve for x
    x = 52,280,174,693.63/269,519.44
  6. Step 6: Final answer
    x = 193,975.52

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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.