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Finding the Fourth Proportional to 332,238.70, 498,358.05 and 330,270.40

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Solution

The fourth proportional to 332,238.70, 498,358.05 and 330,270.40 is: 495,405.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    332,238.70 : 498,358.05 = 330,270.40 : x
  2. Step 2: Convert to fraction form
    332,238.70/498,358.05 = 330,270.40/x
  3. Step 3: Cross multiply
    332,238.70x = 498,358.05 × 330,270.40
  4. Step 4: Simplify right side
    332,238.70x = 164,592,912,516.72
  5. Step 5: Solve for x
    x = 164,592,912,516.72/332,238.70
  6. Step 6: Final answer
    x = 495,405.60

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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.