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Finding the Fourth Proportional to 294,212.40, 441,376.20 and 125,732.40

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Solution

The fourth proportional to 294,212.40, 441,376.20 and 125,732.40 is: 188,623.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    294,212.40 : 441,376.20 = 125,732.40 : x
  2. Step 2: Convert to fraction form
    294,212.40/441,376.20 = 125,732.40/x
  3. Step 3: Cross multiply
    294,212.40x = 441,376.20 × 125,732.40
  4. Step 4: Simplify right side
    294,212.40x = 55,495,288,928.88
  5. Step 5: Solve for x
    x = 55,495,288,928.88/294,212.40
  6. Step 6: Final answer
    x = 188,623.22

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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.