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Finding the Fourth Proportional to 269,683.84, 372,014.40 and 189,231.40

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Solution

The fourth proportional to 269,683.84, 372,014.40 and 189,231.40 is: 261,034.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,683.84 : 372,014.40 = 189,231.40 : x
  2. Step 2: Convert to fraction form
    269,683.84/372,014.40 = 189,231.40/x
  3. Step 3: Cross multiply
    269,683.84x = 372,014.40 × 189,231.40
  4. Step 4: Simplify right side
    269,683.84x = 70,396,805,732.16
  5. Step 5: Solve for x
    x = 70,396,805,732.16/269,683.84
  6. Step 6: Final answer
    x = 261,034.57

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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.