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Finding the Fourth Proportional to 441,286.59, 608,956.23 and 245,040.90

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Solution

The fourth proportional to 441,286.59, 608,956.23 and 245,040.90 is: 338,145.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    441,286.59 : 608,956.23 = 245,040.90 : x
  2. Step 2: Convert to fraction form
    441,286.59/608,956.23 = 245,040.90/x
  3. Step 3: Cross multiply
    441,286.59x = 608,956.23 × 245,040.90
  4. Step 4: Simplify right side
    441,286.59x = 149,219,182,659.81
  5. Step 5: Solve for x
    x = 149,219,182,659.81/441,286.59
  6. Step 6: Final answer
    x = 338,145.74

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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.