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Finding the Fourth Proportional to 623,870.94, 860,944.49 and 337,391.03

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Solution

The fourth proportional to 623,870.94, 860,944.49 and 337,391.03 is: 465,601.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    623,870.94 : 860,944.49 = 337,391.03 : x
  2. Step 2: Convert to fraction form
    623,870.94/860,944.49 = 337,391.03/x
  3. Step 3: Cross multiply
    623,870.94x = 860,944.49 × 337,391.03
  4. Step 4: Simplify right side
    623,870.94x = 290,474,944,414.61
  5. Step 5: Solve for x
    x = 290,474,944,414.61/623,870.94
  6. Step 6: Final answer
    x = 465,601.02

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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.