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Finding the Fourth Proportional to 350,568.80, 525,853.20 and 329,832.80

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Solution

The fourth proportional to 350,568.80, 525,853.20 and 329,832.80 is: 494,749.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    350,568.80 : 525,853.20 = 329,832.80 : x
  2. Step 2: Convert to fraction form
    350,568.80/525,853.20 = 329,832.80/x
  3. Step 3: Cross multiply
    350,568.80x = 525,853.20 × 329,832.80
  4. Step 4: Simplify right side
    350,568.80x = 173,443,633,344.96
  5. Step 5: Solve for x
    x = 173,443,633,344.96/350,568.80
  6. Step 6: Final answer
    x = 494,749.20

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.