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Finding the Fourth Proportional to 441,872.76, 609,784.20 and 240,668.76

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Solution

The fourth proportional to 441,872.76, 609,784.20 and 240,668.76 is: 332,122.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    441,872.76 : 609,784.20 = 240,668.76 : x
  2. Step 2: Convert to fraction form
    441,872.76/609,784.20 = 240,668.76/x
  3. Step 3: Cross multiply
    441,872.76x = 609,784.20 × 240,668.76
  4. Step 4: Simplify right side
    441,872.76x = 146,756,007,281.59
  5. Step 5: Solve for x
    x = 146,756,007,281.59/441,872.76
  6. Step 6: Final answer
    x = 332,122.78

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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.