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Finding the Fourth Proportional to 587,211.48, 810,362.52 and 332,615.52

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Solution

The fourth proportional to 587,211.48, 810,362.52 and 332,615.52 is: 459,015.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    587,211.48 : 810,362.52 = 332,615.52 : x
  2. Step 2: Convert to fraction form
    587,211.48/810,362.52 = 332,615.52/x
  3. Step 3: Cross multiply
    587,211.48x = 810,362.52 × 332,615.52
  4. Step 4: Simplify right side
    587,211.48x = 269,539,150,978.31
  5. Step 5: Solve for x
    x = 269,539,150,978.31/587,211.48
  6. Step 6: Final answer
    x = 459,015.47

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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.