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Finding the Fourth Proportional to 332,876.20, 499,022.70 and 199,809.40

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Solution

The fourth proportional to 332,876.20, 499,022.70 and 199,809.40 is: 299,539.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    332,876.20 : 499,022.70 = 199,809.40 : x
  2. Step 2: Convert to fraction form
    332,876.20/499,022.70 = 199,809.40/x
  3. Step 3: Cross multiply
    332,876.20x = 499,022.70 × 199,809.40
  4. Step 4: Simplify right side
    332,876.20x = 99,709,426,273.38
  5. Step 5: Solve for x
    x = 99,709,426,273.38/332,876.20
  6. Step 6: Final answer
    x = 299,539.07

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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.