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Finding the Fourth Proportional to 540,778.73, 811,255.58 and 225,267.53

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Solution

The fourth proportional to 540,778.73, 811,255.58 and 225,267.53 is: 337,937.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    540,778.73 : 811,255.58 = 225,267.53 : x
  2. Step 2: Convert to fraction form
    540,778.73/811,255.58 = 225,267.53/x
  3. Step 3: Cross multiply
    540,778.73x = 811,255.58 × 225,267.53
  4. Step 4: Simplify right side
    540,778.73x = 182,749,540,705.32
  5. Step 5: Solve for x
    x = 182,749,540,705.32/540,778.73
  6. Step 6: Final answer
    x = 337,937.74

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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.