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Finding the Fourth Proportional to 236,467.80, 354,701.70 and 222,643.80

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Solution

The fourth proportional to 236,467.80, 354,701.70 and 222,643.80 is: 333,965.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,467.80 : 354,701.70 = 222,643.80 : x
  2. Step 2: Convert to fraction form
    236,467.80/354,701.70 = 222,643.80/x
  3. Step 3: Cross multiply
    236,467.80x = 354,701.70 × 222,643.80
  4. Step 4: Simplify right side
    236,467.80x = 78,972,134,354.46
  5. Step 5: Solve for x
    x = 78,972,134,354.46/236,467.80
  6. Step 6: Final answer
    x = 333,965.70

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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.