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Finding the Fourth Proportional to 561,049.82, 842,820.34 and 347,975.22

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Solution

The fourth proportional to 561,049.82, 842,820.34 and 347,975.22 is: 522,735.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    561,049.82 : 842,820.34 = 347,975.22 : x
  2. Step 2: Convert to fraction form
    561,049.82/842,820.34 = 347,975.22/x
  3. Step 3: Cross multiply
    561,049.82x = 842,820.34 × 347,975.22
  4. Step 4: Simplify right side
    561,049.82x = 293,280,593,231.98
  5. Step 5: Solve for x
    x = 293,280,593,231.98/561,049.82
  6. Step 6: Final answer
    x = 522,735.38

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1.5x scale

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.