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Finding the Fourth Proportional to 362,907.47, 544,373.45 and 126,252.11

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Solution

The fourth proportional to 362,907.47, 544,373.45 and 126,252.11 is: 189,382.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    362,907.47 : 544,373.45 = 126,252.11 : x
  2. Step 2: Convert to fraction form
    362,907.47/544,373.45 = 126,252.11/x
  3. Step 3: Cross multiply
    362,907.47x = 544,373.45 × 126,252.11
  4. Step 4: Simplify right side
    362,907.47x = 68,728,297,893.60
  5. Step 5: Solve for x
    x = 68,728,297,893.60/362,907.47
  6. Step 6: Final answer
    x = 189,382.43

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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.