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Finding the Fourth Proportional to 353,952.54, 530,634.87 and 140,588.82

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Solution

The fourth proportional to 353,952.54, 530,634.87 and 140,588.82 is: 210,766.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    353,952.54 : 530,634.87 = 140,588.82 : x
  2. Step 2: Convert to fraction form
    353,952.54/530,634.87 = 140,588.82/x
  3. Step 3: Cross multiply
    353,952.54x = 530,634.87 × 140,588.82
  4. Step 4: Simplify right side
    353,952.54x = 74,601,330,224.15
  5. Step 5: Solve for x
    x = 74,601,330,224.15/353,952.54
  6. Step 6: Final answer
    x = 210,766.48

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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.