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Finding the Fourth Proportional to 445,414.84, 667,334.94 and 295,299.16

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Solution

The fourth proportional to 445,414.84, 667,334.94 and 295,299.16 is: 442,426.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    445,414.84 : 667,334.94 = 295,299.16 : x
  2. Step 2: Convert to fraction form
    445,414.84/667,334.94 = 295,299.16/x
  3. Step 3: Cross multiply
    445,414.84x = 667,334.94 × 295,299.16
  4. Step 4: Simplify right side
    445,414.84x = 197,063,447,220.65
  5. Step 5: Solve for x
    x = 197,063,447,220.65/445,414.84
  6. Step 6: Final answer
    x = 442,426.77

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.