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Finding the Fourth Proportional to 351,277.98, 527,015.63 and 141,063.54

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Solution

The fourth proportional to 351,277.98, 527,015.63 and 141,063.54 is: 211,634.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    351,277.98 : 527,015.63 = 141,063.54 : x
  2. Step 2: Convert to fraction form
    351,277.98/527,015.63 = 141,063.54/x
  3. Step 3: Cross multiply
    351,277.98x = 527,015.63 × 141,063.54
  4. Step 4: Simplify right side
    351,277.98x = 74,342,690,403.13
  5. Step 5: Solve for x
    x = 74,342,690,403.13/351,277.98
  6. Step 6: Final answer
    x = 211,634.93

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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.