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Finding the Fourth Proportional to 623,871.44, 860,945.18 and 337,391.53

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Solution

The fourth proportional to 623,871.44, 860,945.18 and 337,391.53 is: 465,601.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    623,871.44 : 860,945.18 = 337,391.53 : x
  2. Step 2: Convert to fraction form
    623,871.44/860,945.18 = 337,391.53/x
  3. Step 3: Cross multiply
    623,871.44x = 860,945.18 × 337,391.53
  4. Step 4: Simplify right side
    623,871.44x = 290,475,607,687.01
  5. Step 5: Solve for x
    x = 290,475,607,687.01/623,871.44
  6. Step 6: Final answer
    x = 465,601.71

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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.