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Finding the Fourth Proportional to 441,424.48, 609,123.60 and 247,787.80

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Solution

The fourth proportional to 441,424.48, 609,123.60 and 247,787.80 is: 341,923.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    441,424.48 : 609,123.60 = 247,787.80 : x
  2. Step 2: Convert to fraction form
    441,424.48/609,123.60 = 247,787.80/x
  3. Step 3: Cross multiply
    441,424.48x = 609,123.60 × 247,787.80
  4. Step 4: Simplify right side
    441,424.48x = 150,933,396,772.08
  5. Step 5: Solve for x
    x = 150,933,396,772.08/441,424.48
  6. Step 6: Final answer
    x = 341,923.49

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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.