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Finding the Fourth Proportional to 275,842.88, 380,532.96 and 235,984.80

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Solution

The fourth proportional to 275,842.88, 380,532.96 and 235,984.80 is: 325,547.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    275,842.88 : 380,532.96 = 235,984.80 : x
  2. Step 2: Convert to fraction form
    275,842.88/380,532.96 = 235,984.80/x
  3. Step 3: Cross multiply
    275,842.88x = 380,532.96 × 235,984.80
  4. Step 4: Simplify right side
    275,842.88x = 89,799,994,459.01
  5. Step 5: Solve for x
    x = 89,799,994,459.01/275,842.88
  6. Step 6: Final answer
    x = 325,547.63

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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.