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Finding the Fourth Proportional to 352,135.60, 527,425.80 and 185,729.20

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Solution

The fourth proportional to 352,135.60, 527,425.80 and 185,729.20 is: 278,183.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    352,135.60 : 527,425.80 = 185,729.20 : x
  2. Step 2: Convert to fraction form
    352,135.60/527,425.80 = 185,729.20/x
  3. Step 3: Cross multiply
    352,135.60x = 527,425.80 × 185,729.20
  4. Step 4: Simplify right side
    352,135.60x = 97,958,371,893.36
  5. Step 5: Solve for x
    x = 97,958,371,893.36/352,135.60
  6. Step 6: Final answer
    x = 278,183.67

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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.