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Finding the Fourth Proportional to 356,205.94, 491,569.56 and 195,075.95

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Solution

The fourth proportional to 356,205.94, 491,569.56 and 195,075.95 is: 269,207.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    356,205.94 : 491,569.56 = 195,075.95 : x
  2. Step 2: Convert to fraction form
    356,205.94/491,569.56 = 195,075.95/x
  3. Step 3: Cross multiply
    356,205.94x = 491,569.56 × 195,075.95
  4. Step 4: Simplify right side
    356,205.94x = 95,893,396,450.23
  5. Step 5: Solve for x
    x = 95,893,396,450.23/356,205.94
  6. Step 6: Final answer
    x = 269,207.74

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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.