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Finding the Fourth Proportional to 221,435.20, 332,152.80 and 150,576.40

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Solution

The fourth proportional to 221,435.20, 332,152.80 and 150,576.40 is: 225,864.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    221,435.20 : 332,152.80 = 150,576.40 : x
  2. Step 2: Convert to fraction form
    221,435.20/332,152.80 = 150,576.40/x
  3. Step 3: Cross multiply
    221,435.20x = 332,152.80 × 150,576.40
  4. Step 4: Simplify right side
    221,435.20x = 50,014,372,873.92
  5. Step 5: Solve for x
    x = 50,014,372,873.92/221,435.20
  6. Step 6: Final answer
    x = 225,864.60

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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.