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Finding the Fourth Proportional to 293,863.80, 440,795.70 and 188,801.40

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Solution

The fourth proportional to 293,863.80, 440,795.70 and 188,801.40 is: 283,202.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    293,863.80 : 440,795.70 = 188,801.40 : x
  2. Step 2: Convert to fraction form
    293,863.80/440,795.70 = 188,801.40/x
  3. Step 3: Cross multiply
    293,863.80x = 440,795.70 × 188,801.40
  4. Step 4: Simplify right side
    293,863.80x = 83,222,845,273.98
  5. Step 5: Solve for x
    x = 83,222,845,273.98/293,863.80
  6. Step 6: Final answer
    x = 283,202.10

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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.