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Finding the Fourth Proportional to 606,787.21, 837,375.20 and 334,867.78

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Solution

The fourth proportional to 606,787.21, 837,375.20 and 334,867.78 is: 462,122.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    606,787.21 : 837,375.20 = 334,867.78 : x
  2. Step 2: Convert to fraction form
    606,787.21/837,375.20 = 334,867.78/x
  3. Step 3: Cross multiply
    606,787.21x = 837,375.20 × 334,867.78
  4. Step 4: Simplify right side
    606,787.21x = 280,409,974,251.06
  5. Step 5: Solve for x
    x = 280,409,974,251.06/606,787.21
  6. Step 6: Final answer
    x = 462,122.42

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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.