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Finding the Fourth Proportional to 294,144.80, 441,403.82 and 125,666.40

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Solution

The fourth proportional to 294,144.80, 441,403.82 and 125,666.40 is: 188,579.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    294,144.80 : 441,403.82 = 125,666.40 : x
  2. Step 2: Convert to fraction form
    294,144.80/441,403.82 = 125,666.40/x
  3. Step 3: Cross multiply
    294,144.80x = 441,403.82 × 125,666.40
  4. Step 4: Simplify right side
    294,144.80x = 55,469,629,260.17
  5. Step 5: Solve for x
    x = 55,469,629,260.17/294,144.80
  6. Step 6: Final answer
    x = 188,579.33

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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.