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Finding the Fourth Proportional to 350,517.02, 525,775.28 and 84,277.44

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Solution

The fourth proportional to 350,517.02, 525,775.28 and 84,277.44 is: 126,416.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    350,517.02 : 525,775.28 = 84,277.44 : x
  2. Step 2: Convert to fraction form
    350,517.02/525,775.28 = 84,277.44/x
  3. Step 3: Cross multiply
    350,517.02x = 525,775.28 × 84,277.44
  4. Step 4: Simplify right side
    350,517.02x = 44,310,994,192.30
  5. Step 5: Solve for x
    x = 44,310,994,192.30/350,517.02
  6. Step 6: Final answer
    x = 126,416.10

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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.