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Finding the Fourth Proportional to 624,438.44, 861,727.59 and 337,958.45

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Solution

The fourth proportional to 624,438.44, 861,727.59 and 337,958.45 is: 466,384.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    624,438.44 : 861,727.59 = 337,958.45 : x
  2. Step 2: Convert to fraction form
    624,438.44/861,727.59 = 337,958.45/x
  3. Step 3: Cross multiply
    624,438.44x = 861,727.59 × 337,958.45
  4. Step 4: Simplify right side
    624,438.44x = 291,228,116,330.00
  5. Step 5: Solve for x
    x = 291,228,116,330.00/624,438.44
  6. Step 6: Final answer
    x = 466,384.03

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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.