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Finding the Fourth Proportional to 441,876.80, 609,789.68 and 240,672.80

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Solution

The fourth proportional to 441,876.80, 609,789.68 and 240,672.80 is: 332,128.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    441,876.80 : 609,789.68 = 240,672.80 : x
  2. Step 2: Convert to fraction form
    441,876.80/609,789.68 = 240,672.80/x
  3. Step 3: Cross multiply
    441,876.80x = 609,789.68 × 240,672.80
  4. Step 4: Simplify right side
    441,876.80x = 146,759,789,696.70
  5. Step 5: Solve for x
    x = 146,759,789,696.70/441,876.80
  6. Step 6: Final answer
    x = 332,128.30

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.