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Finding the Fourth Proportional to 251,999.40, 377,999.10 and 222,474.90

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Solution

The fourth proportional to 251,999.40, 377,999.10 and 222,474.90 is: 333,712.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,999.40 : 377,999.10 = 222,474.90 : x
  2. Step 2: Convert to fraction form
    251,999.40/377,999.10 = 222,474.90/x
  3. Step 3: Cross multiply
    251,999.40x = 377,999.10 × 222,474.90
  4. Step 4: Simplify right side
    251,999.40x = 84,095,311,972.59
  5. Step 5: Solve for x
    x = 84,095,311,972.59/251,999.40
  6. Step 6: Final answer
    x = 333,712.35

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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.