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Finding the Fourth Proportional to 321,770.77, 444,108.29 and 185,826.85

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Solution

The fourth proportional to 321,770.77, 444,108.29 and 185,826.85 is: 256,478.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    321,770.77 : 444,108.29 = 185,826.85 : x
  2. Step 2: Convert to fraction form
    321,770.77/444,108.29 = 185,826.85/x
  3. Step 3: Cross multiply
    321,770.77x = 444,108.29 × 185,826.85
  4. Step 4: Simplify right side
    321,770.77x = 82,527,242,550.18
  5. Step 5: Solve for x
    x = 82,527,242,550.18/321,770.77
  6. Step 6: Final answer
    x = 256,478.37

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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.