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Finding the Fourth Proportional to 294,528.40, 441,850.20 and 126,048.40

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Solution

The fourth proportional to 294,528.40, 441,850.20 and 126,048.40 is: 189,097.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    294,528.40 : 441,850.20 = 126,048.40 : x
  2. Step 2: Convert to fraction form
    294,528.40/441,850.20 = 126,048.40/x
  3. Step 3: Cross multiply
    294,528.40x = 441,850.20 × 126,048.40
  4. Step 4: Simplify right side
    294,528.40x = 55,694,510,749.68
  5. Step 5: Solve for x
    x = 55,694,510,749.68/294,528.40
  6. Step 6: Final answer
    x = 189,097.25

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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.