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Finding the Fourth Proportional to 469,131.75, 647,398.17 and 254,266.29

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Solution

The fourth proportional to 469,131.75, 647,398.17 and 254,266.29 is: 350,885.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    469,131.75 : 647,398.17 = 254,266.29 : x
  2. Step 2: Convert to fraction form
    469,131.75/647,398.17 = 254,266.29/x
  3. Step 3: Cross multiply
    469,131.75x = 647,398.17 × 254,266.29
  4. Step 4: Simplify right side
    469,131.75x = 164,611,530,838.69
  5. Step 5: Solve for x
    x = 164,611,530,838.69/469,131.75
  6. Step 6: Final answer
    x = 350,885.50

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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.