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Finding the Fourth Proportional to 624,360.33, 861,619.88 and 337,880.43

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Solution

The fourth proportional to 624,360.33, 861,619.88 and 337,880.43 is: 466,276.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    624,360.33 : 861,619.88 = 337,880.43 : x
  2. Step 2: Convert to fraction form
    624,360.33/861,619.88 = 337,880.43/x
  3. Step 3: Cross multiply
    624,360.33x = 861,619.88 × 337,880.43
  4. Step 4: Simplify right side
    624,360.33x = 291,124,496,395.65
  5. Step 5: Solve for x
    x = 291,124,496,395.65/624,360.33
  6. Step 6: Final answer
    x = 466,276.42

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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.