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Finding the Fourth Proportional to 441,785.50, 662,678.25 and 109,361.50

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Solution

The fourth proportional to 441,785.50, 662,678.25 and 109,361.50 is: 164,042.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    441,785.50 : 662,678.25 = 109,361.50 : x
  2. Step 2: Convert to fraction form
    441,785.50/662,678.25 = 109,361.50/x
  3. Step 3: Cross multiply
    441,785.50x = 662,678.25 × 109,361.50
  4. Step 4: Simplify right side
    441,785.50x = 72,471,487,437.38
  5. Step 5: Solve for x
    x = 72,471,487,437.38/441,785.50
  6. Step 6: Final answer
    x = 164,042.25

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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.