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Finding the Fourth Proportional to 294,418.40, 441,685.20 and 125,938.40

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Solution

The fourth proportional to 294,418.40, 441,685.20 and 125,938.40 is: 188,932.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    294,418.40 : 441,685.20 = 125,938.40 : x
  2. Step 2: Convert to fraction form
    294,418.40/441,685.20 = 125,938.40/x
  3. Step 3: Cross multiply
    294,418.40x = 441,685.20 × 125,938.40
  4. Step 4: Simplify right side
    294,418.40x = 55,625,127,391.68
  5. Step 5: Solve for x
    x = 55,625,127,391.68/294,418.40
  6. Step 6: Final answer
    x = 188,932.24

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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.