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Finding the Fourth Proportional to 350,512.76, 525,769.15 and 84,273.28

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Solution

The fourth proportional to 350,512.76, 525,769.15 and 84,273.28 is: 126,409.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    350,512.76 : 525,769.15 = 84,273.28 : x
  2. Step 2: Convert to fraction form
    350,512.76/525,769.15 = 84,273.28/x
  3. Step 3: Cross multiply
    350,512.76x = 525,769.15 × 84,273.28
  4. Step 4: Simplify right side
    350,512.76x = 44,308,290,371.95
  5. Step 5: Solve for x
    x = 44,308,290,371.95/350,512.76
  6. Step 6: Final answer
    x = 126,409.92

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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.