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Finding the Fourth Proportional to 624,176.72, 861,363.48 and 337,696.88

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Solution

The fourth proportional to 624,176.72, 861,363.48 and 337,696.88 is: 466,021.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    624,176.72 : 861,363.48 = 337,696.88 : x
  2. Step 2: Convert to fraction form
    624,176.72/861,363.48 = 337,696.88/x
  3. Step 3: Cross multiply
    624,176.72x = 861,363.48 × 337,696.88
  4. Step 4: Simplify right side
    624,176.72x = 290,879,759,741.94
  5. Step 5: Solve for x
    x = 290,879,759,741.94/624,176.72
  6. Step 6: Final answer
    x = 466,021.48

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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.