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Finding the Fourth Proportional to 623,747.99, 860,772.84 and 337,268

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Solution

The fourth proportional to 623,747.99, 860,772.84 and 337,268 is: 465,430.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    623,747.99 : 860,772.84 = 337,268 : x
  2. Step 2: Convert to fraction form
    623,747.99/860,772.84 = 337,268/x
  3. Step 3: Cross multiply
    623,747.99x = 860,772.84 × 337,268
  4. Step 4: Simplify right side
    623,747.99x = 290,311,134,201.12
  5. Step 5: Solve for x
    x = 290,311,134,201.12/623,747.99
  6. Step 6: Final answer
    x = 465,430.17

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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.