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Finding the Fourth Proportional to 251,355.80, 377,033.70 and 223,362.20

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Solution

The fourth proportional to 251,355.80, 377,033.70 and 223,362.20 is: 335,043.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,355.80 : 377,033.70 = 223,362.20 : x
  2. Step 2: Convert to fraction form
    251,355.80/377,033.70 = 223,362.20/x
  3. Step 3: Cross multiply
    251,355.80x = 377,033.70 × 223,362.20
  4. Step 4: Simplify right side
    251,355.80x = 84,215,076,706.14
  5. Step 5: Solve for x
    x = 84,215,076,706.14/251,355.80
  6. Step 6: Final answer
    x = 335,043.30

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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.