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Finding the Fourth Proportional to 352,280.60, 527,816.10 and 164,907.80

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Solution

The fourth proportional to 352,280.60, 527,816.10 and 164,907.80 is: 247,078.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    352,280.60 : 527,816.10 = 164,907.80 : x
  2. Step 2: Convert to fraction form
    352,280.60/527,816.10 = 164,907.80/x
  3. Step 3: Cross multiply
    352,280.60x = 527,816.10 × 164,907.80
  4. Step 4: Simplify right side
    352,280.60x = 87,040,991,855.58
  5. Step 5: Solve for x
    x = 87,040,991,855.58/352,280.60
  6. Step 6: Final answer
    x = 247,078.58

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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.