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Finding the Fourth Proportional to 339,251.50, 509,110.56 and 117,635.50

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Solution

The fourth proportional to 339,251.50, 509,110.56 and 117,635.50 is: 176,534.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    339,251.50 : 509,110.56 = 117,635.50 : x
  2. Step 2: Convert to fraction form
    339,251.50/509,110.56 = 117,635.50/x
  3. Step 3: Cross multiply
    339,251.50x = 509,110.56 × 117,635.50
  4. Step 4: Simplify right side
    339,251.50x = 59,889,475,280.88
  5. Step 5: Solve for x
    x = 59,889,475,280.88/339,251.50
  6. Step 6: Final answer
    x = 176,534.15

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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.