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Finding the Fourth Proportional to 275,330.10, 412,995.15 and 275,330.10

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Solution

The fourth proportional to 275,330.10, 412,995.15 and 275,330.10 is: 412,995.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    275,330.10 : 412,995.15 = 275,330.10 : x
  2. Step 2: Convert to fraction form
    275,330.10/412,995.15 = 275,330.10/x
  3. Step 3: Cross multiply
    275,330.10x = 412,995.15 × 275,330.10
  4. Step 4: Simplify right side
    275,330.10x = 113,709,995,949.02
  5. Step 5: Solve for x
    x = 113,709,995,949.02/275,330.10
  6. Step 6: Final answer
    x = 412,995.15

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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.