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Finding the Fourth Proportional to 441,651.72, 662,463.46 and 185,619.94

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Solution

The fourth proportional to 441,651.72, 662,463.46 and 185,619.94 is: 278,423.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    441,651.72 : 662,463.46 = 185,619.94 : x
  2. Step 2: Convert to fraction form
    441,651.72/662,463.46 = 185,619.94/x
  3. Step 3: Cross multiply
    441,651.72x = 662,463.46 × 185,619.94
  4. Step 4: Simplify right side
    441,651.72x = 122,966,427,697.39
  5. Step 5: Solve for x
    x = 122,966,427,697.39/441,651.72
  6. Step 6: Final answer
    x = 278,423.98

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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.