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Finding the Fourth Proportional to 424,716.51, 637,185.05 and 158,479.03

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Solution

The fourth proportional to 424,716.51, 637,185.05 and 158,479.03 is: 237,759.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    424,716.51 : 637,185.05 = 158,479.03 : x
  2. Step 2: Convert to fraction form
    424,716.51/637,185.05 = 158,479.03/x
  3. Step 3: Cross multiply
    424,716.51x = 637,185.05 × 158,479.03
  4. Step 4: Simplify right side
    424,716.51x = 100,980,469,252.88
  5. Step 5: Solve for x
    x = 100,980,469,252.88/424,716.51
  6. Step 6: Final answer
    x = 237,759.70

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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.