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Finding the Fourth Proportional to 587,512.44, 810,765.18 and 332,912.16

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Solution

The fourth proportional to 587,512.44, 810,765.18 and 332,912.16 is: 459,417.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    587,512.44 : 810,765.18 = 332,912.16 : x
  2. Step 2: Convert to fraction form
    587,512.44/810,765.18 = 332,912.16/x
  3. Step 3: Cross multiply
    587,512.44x = 810,765.18 × 332,912.16
  4. Step 4: Simplify right side
    587,512.44x = 269,913,587,326.59
  5. Step 5: Solve for x
    x = 269,913,587,326.59/587,512.44
  6. Step 6: Final answer
    x = 459,417.65

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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.