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Finding the Fourth Proportional to 624,825.80, 862,267.98 and 349,171.54

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Solution

The fourth proportional to 624,825.80, 862,267.98 and 349,171.54 is: 481,861.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    624,825.80 : 862,267.98 = 349,171.54 : x
  2. Step 2: Convert to fraction form
    624,825.80/862,267.98 = 349,171.54/x
  3. Step 3: Cross multiply
    624,825.80x = 862,267.98 × 349,171.54
  4. Step 4: Simplify right side
    624,825.80x = 301,079,440,509.18
  5. Step 5: Solve for x
    x = 301,079,440,509.18/624,825.80
  6. Step 6: Final answer
    x = 481,861.41

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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.