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Finding the Fourth Proportional to 350,857.58, 484,238.05 and 230,348.41

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Solution

The fourth proportional to 350,857.58, 484,238.05 and 230,348.41 is: 317,916.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    350,857.58 : 484,238.05 = 230,348.41 : x
  2. Step 2: Convert to fraction form
    350,857.58/484,238.05 = 230,348.41/x
  3. Step 3: Cross multiply
    350,857.58x = 484,238.05 × 230,348.41
  4. Step 4: Simplify right side
    350,857.58x = 111,543,463,092.53
  5. Step 5: Solve for x
    x = 111,543,463,092.53/350,857.58
  6. Step 6: Final answer
    x = 317,916.64

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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.