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Finding the Fourth Proportional to 444,823.60, 667,235.40 and 415,080.40

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Solution

The fourth proportional to 444,823.60, 667,235.40 and 415,080.40 is: 622,620.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    444,823.60 : 667,235.40 = 415,080.40 : x
  2. Step 2: Convert to fraction form
    444,823.60/667,235.40 = 415,080.40/x
  3. Step 3: Cross multiply
    444,823.60x = 667,235.40 × 415,080.40
  4. Step 4: Simplify right side
    444,823.60x = 276,956,336,726.16
  5. Step 5: Solve for x
    x = 276,956,336,726.16/444,823.60
  6. Step 6: Final answer
    x = 622,620.60

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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.