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Finding the Fourth Proportional to 675,729.01, 932,100.60 and 446,286.75

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Solution

The fourth proportional to 675,729.01, 932,100.60 and 446,286.75 is: 615,607.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    675,729.01 : 932,100.60 = 446,286.75 : x
  2. Step 2: Convert to fraction form
    675,729.01/932,100.60 = 446,286.75/x
  3. Step 3: Cross multiply
    675,729.01x = 932,100.60 × 446,286.75
  4. Step 4: Simplify right side
    675,729.01x = 415,984,147,447.05
  5. Step 5: Solve for x
    x = 415,984,147,447.05/675,729.01
  6. Step 6: Final answer
    x = 615,607.95

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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.