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Finding the Fourth Proportional to 356,571.65, 492,072.73 and 195,423.23

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Solution

The fourth proportional to 356,571.65, 492,072.73 and 195,423.23 is: 269,686.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    356,571.65 : 492,072.73 = 195,423.23 : x
  2. Step 2: Convert to fraction form
    356,571.65/492,072.73 = 195,423.23/x
  3. Step 3: Cross multiply
    356,571.65x = 492,072.73 × 195,423.23
  4. Step 4: Simplify right side
    356,571.65x = 96,162,442,291.52
  5. Step 5: Solve for x
    x = 96,162,442,291.52/356,571.65
  6. Step 6: Final answer
    x = 269,686.17

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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.