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Finding the Fourth Proportional to 489,167.37, 675,057.95 and 295,548.21

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Solution

The fourth proportional to 489,167.37, 675,057.95 and 295,548.21 is: 407,860.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    489,167.37 : 675,057.95 = 295,548.21 : x
  2. Step 2: Convert to fraction form
    489,167.37/675,057.95 = 295,548.21/x
  3. Step 3: Cross multiply
    489,167.37x = 675,057.95 × 295,548.21
  4. Step 4: Simplify right side
    489,167.37x = 199,512,168,399.33
  5. Step 5: Solve for x
    x = 199,512,168,399.33/489,167.37
  6. Step 6: Final answer
    x = 407,860.75

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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.