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Finding the Fourth Proportional to 623,558.26, 860,511.03 and 337,078.42

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Solution

The fourth proportional to 623,558.26, 860,511.03 and 337,078.42 is: 465,168.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    623,558.26 : 860,511.03 = 337,078.42 : x
  2. Step 2: Convert to fraction form
    623,558.26/860,511.03 = 337,078.42/x
  3. Step 3: Cross multiply
    623,558.26x = 860,511.03 × 337,078.42
  4. Step 4: Simplify right side
    623,558.26x = 290,059,698,384.97
  5. Step 5: Solve for x
    x = 290,059,698,384.97/623,558.26
  6. Step 6: Final answer
    x = 465,168.56

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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.