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Finding the Fourth Proportional to 587,258.28, 810,431.46 and 332,605.80

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Solution

The fourth proportional to 587,258.28, 810,431.46 and 332,605.80 is: 459,004.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    587,258.28 : 810,431.46 = 332,605.80 : x
  2. Step 2: Convert to fraction form
    587,258.28/810,431.46 = 332,605.80/x
  3. Step 3: Cross multiply
    587,258.28x = 810,431.46 × 332,605.80
  4. Step 4: Simplify right side
    587,258.28x = 269,554,204,098.47
  5. Step 5: Solve for x
    x = 269,554,204,098.47/587,258.28
  6. Step 6: Final answer
    x = 459,004.52

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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.