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Finding the Fourth Proportional to 475,325.80, 711,995.10 and 222,821.80

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Solution

The fourth proportional to 475,325.80, 711,995.10 and 222,821.80 is: 333,766.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    475,325.80 : 711,995.10 = 222,821.80 : x
  2. Step 2: Convert to fraction form
    475,325.80/711,995.10 = 222,821.80/x
  3. Step 3: Cross multiply
    475,325.80x = 711,995.10 × 222,821.80
  4. Step 4: Simplify right side
    475,325.80x = 158,648,029,773.18
  5. Step 5: Solve for x
    x = 158,648,029,773.18/475,325.80
  6. Step 6: Final answer
    x = 333,766.92

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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.