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Finding the Fourth Proportional to 362,456.52, 543,762.60 and 140,840.52

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Solution

The fourth proportional to 362,456.52, 543,762.60 and 140,840.52 is: 211,291.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    362,456.52 : 543,762.60 = 140,840.52 : x
  2. Step 2: Convert to fraction form
    362,456.52/543,762.60 = 140,840.52/x
  3. Step 3: Cross multiply
    362,456.52x = 543,762.60 × 140,840.52
  4. Step 4: Simplify right side
    362,456.52x = 76,583,807,340.55
  5. Step 5: Solve for x
    x = 76,583,807,340.55/362,456.52
  6. Step 6: Final answer
    x = 211,291.02

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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.