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Finding the Fourth Proportional to 540,354.54, 810,548.22 and 185,363.44

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Solution

The fourth proportional to 540,354.54, 810,548.22 and 185,363.44 is: 278,050.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    540,354.54 : 810,548.22 = 185,363.44 : x
  2. Step 2: Convert to fraction form
    540,354.54/810,548.22 = 185,363.44/x
  3. Step 3: Cross multiply
    540,354.54x = 810,548.22 × 185,363.44
  4. Step 4: Simplify right side
    540,354.54x = 150,246,003,971.15
  5. Step 5: Solve for x
    x = 150,246,003,971.15/540,354.54
  6. Step 6: Final answer
    x = 278,050.78

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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.