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Finding the Fourth Proportional to 444,255.62, 612,435.06 and 316,709.78

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Solution

The fourth proportional to 444,255.62, 612,435.06 and 316,709.78 is: 436,604.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    444,255.62 : 612,435.06 = 316,709.78 : x
  2. Step 2: Convert to fraction form
    444,255.62/612,435.06 = 316,709.78/x
  3. Step 3: Cross multiply
    444,255.62x = 612,435.06 × 316,709.78
  4. Step 4: Simplify right side
    444,255.62x = 193,964,173,116.89
  5. Step 5: Solve for x
    x = 193,964,173,116.89/444,255.62
  6. Step 6: Final answer
    x = 436,604.88

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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.