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Finding the Fourth Proportional to 332,148.70, 498,223.05 and 330,180.40

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Solution

The fourth proportional to 332,148.70, 498,223.05 and 330,180.40 is: 495,270.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    332,148.70 : 498,223.05 = 330,180.40 : x
  2. Step 2: Convert to fraction form
    332,148.70/498,223.05 = 330,180.40/x
  3. Step 3: Cross multiply
    332,148.70x = 498,223.05 × 330,180.40
  4. Step 4: Simplify right side
    332,148.70x = 164,503,485,938.22
  5. Step 5: Solve for x
    x = 164,503,485,938.22/332,148.70
  6. Step 6: Final answer
    x = 495,270.60

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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.