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Finding the Fourth Proportional to 231,649.80, 347,474.70 and 227,713.20

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Solution

The fourth proportional to 231,649.80, 347,474.70 and 227,713.20 is: 341,569.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    231,649.80 : 347,474.70 = 227,713.20 : x
  2. Step 2: Convert to fraction form
    231,649.80/347,474.70 = 227,713.20/x
  3. Step 3: Cross multiply
    231,649.80x = 347,474.70 × 227,713.20
  4. Step 4: Simplify right side
    231,649.80x = 79,124,575,856.04
  5. Step 5: Solve for x
    x = 79,124,575,856.04/231,649.80
  6. Step 6: Final answer
    x = 341,569.80

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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.