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Finding the Fourth Proportional to 587,187.26, 810,291.30 and 332,540.28

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Solution

The fourth proportional to 587,187.26, 810,291.30 and 332,540.28 is: 458,890.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    587,187.26 : 810,291.30 = 332,540.28 : x
  2. Step 2: Convert to fraction form
    587,187.26/810,291.30 = 332,540.28/x
  3. Step 3: Cross multiply
    587,187.26x = 810,291.30 × 332,540.28
  4. Step 4: Simplify right side
    587,187.26x = 269,454,495,783.56
  5. Step 5: Solve for x
    x = 269,454,495,783.56/587,187.26
  6. Step 6: Final answer
    x = 458,890.23

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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.