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Finding the Fourth Proportional to 412,847.88, 569,851.06 and 269,630.20

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Solution

The fourth proportional to 412,847.88, 569,851.06 and 269,630.20 is: 372,168.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    412,847.88 : 569,851.06 = 269,630.20 : x
  2. Step 2: Convert to fraction form
    412,847.88/569,851.06 = 269,630.20/x
  3. Step 3: Cross multiply
    412,847.88x = 569,851.06 × 269,630.20
  4. Step 4: Simplify right side
    412,847.88x = 153,649,055,278.01
  5. Step 5: Solve for x
    x = 153,649,055,278.01/412,847.88
  6. Step 6: Final answer
    x = 372,168.69

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1.5x scale

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.