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Finding the Fourth Proportional to 537,640.65, 806,571.23 and 449,510.04

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Solution

The fourth proportional to 537,640.65, 806,571.23 and 449,510.04 is: 674,357.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    537,640.65 : 806,571.23 = 449,510.04 : x
  2. Step 2: Convert to fraction form
    537,640.65/806,571.23 = 449,510.04/x
  3. Step 3: Cross multiply
    537,640.65x = 806,571.23 × 449,510.04
  4. Step 4: Simplify right side
    537,640.65x = 362,561,863,612.60
  5. Step 5: Solve for x
    x = 362,561,863,612.60/537,640.65
  6. Step 6: Final answer
    x = 674,357.24

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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.