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Finding the Fourth Proportional to 294,197.20, 441,478.20 and 154,056.40

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Solution

The fourth proportional to 294,197.20, 441,478.20 and 154,056.40 is: 231,180.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    294,197.20 : 441,478.20 = 154,056.40 : x
  2. Step 2: Convert to fraction form
    294,197.20/441,478.20 = 154,056.40/x
  3. Step 3: Cross multiply
    294,197.20x = 441,478.20 × 154,056.40
  4. Step 4: Simplify right side
    294,197.20x = 68,012,542,170.48
  5. Step 5: Solve for x
    x = 68,012,542,170.48/294,197.20
  6. Step 6: Final answer
    x = 231,180.11

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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.