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Finding the Fourth Proportional to 332,830.80, 499,246.20 and 198,111.60

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Solution

The fourth proportional to 332,830.80, 499,246.20 and 198,111.60 is: 297,167.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    332,830.80 : 499,246.20 = 198,111.60 : x
  2. Step 2: Convert to fraction form
    332,830.80/499,246.20 = 198,111.60/x
  3. Step 3: Cross multiply
    332,830.80x = 499,246.20 × 198,111.60
  4. Step 4: Simplify right side
    332,830.80x = 98,906,463,475.92
  5. Step 5: Solve for x
    x = 98,906,463,475.92/332,830.80
  6. Step 6: Final answer
    x = 297,167.40

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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.