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Finding the Fourth Proportional to 451,424.35, 676,939.66 and 170,744.77

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Solution

The fourth proportional to 451,424.35, 676,939.66 and 170,744.77 is: 256,042.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    451,424.35 : 676,939.66 = 170,744.77 : x
  2. Step 2: Convert to fraction form
    451,424.35/676,939.66 = 170,744.77/x
  3. Step 3: Cross multiply
    451,424.35x = 676,939.66 × 170,744.77
  4. Step 4: Simplify right side
    451,424.35x = 115,583,906,550.58
  5. Step 5: Solve for x
    x = 115,583,906,550.58/451,424.35
  6. Step 6: Final answer
    x = 256,042.69

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.