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Finding the Fourth Proportional to 314,793.25, 434,401.99 and 171,550.21

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Solution

The fourth proportional to 314,793.25, 434,401.99 and 171,550.21 is: 236,732.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    314,793.25 : 434,401.99 = 171,550.21 : x
  2. Step 2: Convert to fraction form
    314,793.25/434,401.99 = 171,550.21/x
  3. Step 3: Cross multiply
    314,793.25x = 434,401.99 × 171,550.21
  4. Step 4: Simplify right side
    314,793.25x = 74,521,752,608.92
  5. Step 5: Solve for x
    x = 74,521,752,608.92/314,793.25
  6. Step 6: Final answer
    x = 236,732.37

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1.5x scale

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.