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Finding the Fourth Proportional to 461,227.80, 692,133.30 and 271,687.80

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Solution

The fourth proportional to 461,227.80, 692,133.30 and 271,687.80 is: 407,703.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    461,227.80 : 692,133.30 = 271,687.80 : x
  2. Step 2: Convert to fraction form
    461,227.80/692,133.30 = 271,687.80/x
  3. Step 3: Cross multiply
    461,227.80x = 692,133.30 × 271,687.80
  4. Step 4: Simplify right side
    461,227.80x = 188,044,173,583.74
  5. Step 5: Solve for x
    x = 188,044,173,583.74/461,227.80
  6. Step 6: Final answer
    x = 407,703.47

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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.