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Finding the Fourth Proportional to 633,952.94, 874,853.25 and 347,472.14

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Solution

The fourth proportional to 633,952.94, 874,853.25 and 347,472.14 is: 479,510.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    633,952.94 : 874,853.25 = 347,472.14 : x
  2. Step 2: Convert to fraction form
    633,952.94/874,853.25 = 347,472.14/x
  3. Step 3: Cross multiply
    633,952.94x = 874,853.25 × 347,472.14
  4. Step 4: Simplify right side
    633,952.94x = 303,987,131,847.57
  5. Step 5: Solve for x
    x = 303,987,131,847.57/633,952.94
  6. Step 6: Final answer
    x = 479,510.56

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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.