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Finding the Fourth Proportional to 587,049.28, 810,131.19 and 332,450.08

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Solution

The fourth proportional to 587,049.28, 810,131.19 and 332,450.08 is: 458,782.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    587,049.28 : 810,131.19 = 332,450.08 : x
  2. Step 2: Convert to fraction form
    587,049.28/810,131.19 = 332,450.08/x
  3. Step 3: Cross multiply
    587,049.28x = 810,131.19 × 332,450.08
  4. Step 4: Simplify right side
    587,049.28x = 269,328,178,926.00
  5. Step 5: Solve for x
    x = 269,328,178,926.00/587,049.28
  6. Step 6: Final answer
    x = 458,782.91

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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.