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Finding the Fourth Proportional to 351,193.33, 484,646.79 and 190,048.38

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Solution

The fourth proportional to 351,193.33, 484,646.79 and 190,048.38 is: 262,266.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    351,193.33 : 484,646.79 = 190,048.38 : x
  2. Step 2: Convert to fraction form
    351,193.33/484,646.79 = 190,048.38/x
  3. Step 3: Cross multiply
    351,193.33x = 484,646.79 × 190,048.38
  4. Step 4: Simplify right side
    351,193.33x = 92,106,336,206.96
  5. Step 5: Solve for x
    x = 92,106,336,206.96/351,193.33
  6. Step 6: Final answer
    x = 262,266.76

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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.