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Finding the Fourth Proportional to 633,952.70, 874,852.90 and 347,471.90

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Solution

The fourth proportional to 633,952.70, 874,852.90 and 347,471.90 is: 479,510.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    633,952.70 : 874,852.90 = 347,471.90 : x
  2. Step 2: Convert to fraction form
    633,952.70/874,852.90 = 347,471.90/x
  3. Step 3: Cross multiply
    633,952.70x = 874,852.90 × 347,471.90
  4. Step 4: Simplify right side
    633,952.70x = 303,986,795,009.25
  5. Step 5: Solve for x
    x = 303,986,795,009.25/633,952.70
  6. Step 6: Final answer
    x = 479,510.22

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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.