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Finding the Fourth Proportional to 587,086.28, 810,207.08 and 332,432

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Solution

The fourth proportional to 587,086.28, 810,207.08 and 332,432 is: 458,772.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    587,086.28 : 810,207.08 = 332,432 : x
  2. Step 2: Convert to fraction form
    587,086.28/810,207.08 = 332,432/x
  3. Step 3: Cross multiply
    587,086.28x = 810,207.08 × 332,432
  4. Step 4: Simplify right side
    587,086.28x = 269,338,760,018.56
  5. Step 5: Solve for x
    x = 269,338,760,018.56/587,086.28
  6. Step 6: Final answer
    x = 458,772.02

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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.