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Finding the Fourth Proportional to 633,847.56, 874,689.84 and 347,362.44

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Solution

The fourth proportional to 633,847.56, 874,689.84 and 347,362.44 is: 479,349.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    633,847.56 : 874,689.84 = 347,362.44 : x
  2. Step 2: Convert to fraction form
    633,847.56/874,689.84 = 347,362.44/x
  3. Step 3: Cross multiply
    633,847.56x = 874,689.84 × 347,362.44
  4. Step 4: Simplify right side
    633,847.56x = 303,834,397,065.61
  5. Step 5: Solve for x
    x = 303,834,397,065.61/633,847.56
  6. Step 6: Final answer
    x = 479,349.32

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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.