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Finding the Fourth Proportional to 350,354.28, 483,489.45 and 199,451.28

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Solution

The fourth proportional to 350,354.28, 483,489.45 and 199,451.28 is: 275,243.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    350,354.28 : 483,489.45 = 199,451.28 : x
  2. Step 2: Convert to fraction form
    350,354.28/483,489.45 = 199,451.28/x
  3. Step 3: Cross multiply
    350,354.28x = 483,489.45 × 199,451.28
  4. Step 4: Simplify right side
    350,354.28x = 96,432,589,669.00
  5. Step 5: Solve for x
    x = 96,432,589,669.00/350,354.28
  6. Step 6: Final answer
    x = 275,243.08

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1.5x scale

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.