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Finding the Fourth Proportional to 294,378.40, 441,625.20 and 125,898.40

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Solution

The fourth proportional to 294,378.40, 441,625.20 and 125,898.40 is: 188,872.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    294,378.40 : 441,625.20 = 125,898.40 : x
  2. Step 2: Convert to fraction form
    294,378.40/441,625.20 = 125,898.40/x
  3. Step 3: Cross multiply
    294,378.40x = 441,625.20 × 125,898.40
  4. Step 4: Simplify right side
    294,378.40x = 55,599,906,079.68
  5. Step 5: Solve for x
    x = 55,599,906,079.68/294,378.40
  6. Step 6: Final answer
    x = 188,872.23

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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.