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Finding the Fourth Proportional to 591,692.65, 888,326.39 and 311,406.73

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Solution

The fourth proportional to 591,692.65, 888,326.39 and 311,406.73 is: 467,524.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    591,692.65 : 888,326.39 = 311,406.73 : x
  2. Step 2: Convert to fraction form
    591,692.65/888,326.39 = 311,406.73/x
  3. Step 3: Cross multiply
    591,692.65x = 888,326.39 × 311,406.73
  4. Step 4: Simplify right side
    591,692.65x = 276,630,816,282.61
  5. Step 5: Solve for x
    x = 276,630,816,282.61/591,692.65
  6. Step 6: Final answer
    x = 467,524.51

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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.