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Finding the Fourth Proportional to 449,488.01, 674,227.40 and 259,827.70

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Solution

The fourth proportional to 449,488.01, 674,227.40 and 259,827.70 is: 389,738.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    449,488.01 : 674,227.40 = 259,827.70 : x
  2. Step 2: Convert to fraction form
    449,488.01/674,227.40 = 259,827.70/x
  3. Step 3: Cross multiply
    449,488.01x = 674,227.40 × 259,827.70
  4. Step 4: Simplify right side
    449,488.01x = 175,182,952,608.63
  5. Step 5: Solve for x
    x = 175,182,952,608.63/449,488.01
  6. Step 6: Final answer
    x = 389,738.88

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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.