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Finding the Fourth Proportional to 441,876.76, 609,789.72 and 240,672.76

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Solution

The fourth proportional to 441,876.76, 609,789.72 and 240,672.76 is: 332,128.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    441,876.76 : 609,789.72 = 240,672.76 : x
  2. Step 2: Convert to fraction form
    441,876.76/609,789.72 = 240,672.76/x
  3. Step 3: Cross multiply
    441,876.76x = 609,789.72 × 240,672.76
  4. Step 4: Simplify right side
    441,876.76x = 146,759,774,932.03
  5. Step 5: Solve for x
    x = 146,759,774,932.03/441,876.76
  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.