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Finding the Fourth Proportional to 600,422.70, 898,447.05 and 442,958.70

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Solution

The fourth proportional to 600,422.70, 898,447.05 and 442,958.70 is: 662,824.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    600,422.70 : 898,447.05 = 442,958.70 : x
  2. Step 2: Convert to fraction form
    600,422.70/898,447.05 = 442,958.70/x
  3. Step 3: Cross multiply
    600,422.70x = 898,447.05 × 442,958.70
  4. Step 4: Simplify right side
    600,422.70x = 397,974,937,286.84
  5. Step 5: Solve for x
    x = 397,974,937,286.84/600,422.70
  6. Step 6: Final answer
    x = 662,824.60

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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.