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Finding the Fourth Proportional to 350,515.51, 525,773.28 and 84,276.04

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Solution

The fourth proportional to 350,515.51, 525,773.28 and 84,276.04 is: 126,414.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    350,515.51 : 525,773.28 = 84,276.04 : x
  2. Step 2: Convert to fraction form
    350,515.51/525,773.28 = 84,276.04/x
  3. Step 3: Cross multiply
    350,515.51x = 525,773.28 × 84,276.04
  4. Step 4: Simplify right side
    350,515.51x = 44,310,089,976.21
  5. Step 5: Solve for x
    x = 44,310,089,976.21/350,515.51
  6. Step 6: Final answer
    x = 126,414.06

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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.