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Finding the Fourth Proportional to 332,213.70, 498,320.55 and 330,245.40

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Solution

The fourth proportional to 332,213.70, 498,320.55 and 330,245.40 is: 495,368.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    332,213.70 : 498,320.55 = 330,245.40 : x
  2. Step 2: Convert to fraction form
    332,213.70/498,320.55 = 330,245.40/x
  3. Step 3: Cross multiply
    332,213.70x = 498,320.55 × 330,245.40
  4. Step 4: Simplify right side
    332,213.70x = 164,568,069,362.97
  5. Step 5: Solve for x
    x = 164,568,069,362.97/332,213.70
  6. Step 6: Final answer
    x = 495,368.10

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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.