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Finding the Fourth Proportional to 350,584.20, 525,098.70 and 271,441.80

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Solution

The fourth proportional to 350,584.20, 525,098.70 and 271,441.80 is: 406,560.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    350,584.20 : 525,098.70 = 271,441.80 : x
  2. Step 2: Convert to fraction form
    350,584.20/525,098.70 = 271,441.80/x
  3. Step 3: Cross multiply
    350,584.20x = 525,098.70 × 271,441.80
  4. Step 4: Simplify right side
    350,584.20x = 142,533,736,305.66
  5. Step 5: Solve for x
    x = 142,533,736,305.66/350,584.20
  6. Step 6: Final answer
    x = 406,560.64

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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.