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Finding the Fourth Proportional to 624,300.79, 861,537.36 and 337,820.88

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Solution

The fourth proportional to 624,300.79, 861,537.36 and 337,820.88 is: 466,194.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    624,300.79 : 861,537.36 = 337,820.88 : x
  2. Step 2: Convert to fraction form
    624,300.79/861,537.36 = 337,820.88/x
  3. Step 3: Cross multiply
    624,300.79x = 861,537.36 × 337,820.88
  4. Step 4: Simplify right side
    624,300.79x = 291,045,308,759.52
  5. Step 5: Solve for x
    x = 291,045,308,759.52/624,300.79
  6. Step 6: Final answer
    x = 466,194.04

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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.