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Finding the Fourth Proportional to 441,617.10, 662,512.05 and 188,897.10

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Solution

The fourth proportional to 441,617.10, 662,512.05 and 188,897.10 is: 283,382.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    441,617.10 : 662,512.05 = 188,897.10 : x
  2. Step 2: Convert to fraction form
    441,617.10/662,512.05 = 188,897.10/x
  3. Step 3: Cross multiply
    441,617.10x = 662,512.05 × 188,897.10
  4. Step 4: Simplify right side
    441,617.10x = 125,146,604,960.06
  5. Step 5: Solve for x
    x = 125,146,604,960.06/441,617.10
  6. Step 6: Final answer
    x = 283,382.61

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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.