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Finding the Fourth Proportional to 264,282.87, 396,420.85 and 64,605

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Solution

The fourth proportional to 264,282.87, 396,420.85 and 64,605 is: 96,906.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    264,282.87 : 396,420.85 = 64,605 : x
  2. Step 2: Convert to fraction form
    264,282.87/396,420.85 = 64,605/x
  3. Step 3: Cross multiply
    264,282.87x = 396,420.85 × 64,605
  4. Step 4: Simplify right side
    264,282.87x = 25,610,769,014.25
  5. Step 5: Solve for x
    x = 25,610,769,014.25/264,282.87
  6. Step 6: Final answer
    x = 96,906.66

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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.