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Finding the Fourth Proportional to 275,674.20, 412,964.55 and 242,796.30

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Solution

The fourth proportional to 275,674.20, 412,964.55 and 242,796.30 is: 363,712.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    275,674.20 : 412,964.55 = 242,796.30 : x
  2. Step 2: Convert to fraction form
    275,674.20/412,964.55 = 242,796.30/x
  3. Step 3: Cross multiply
    275,674.20x = 412,964.55 × 242,796.30
  4. Step 4: Simplify right side
    275,674.20x = 100,266,264,771.17
  5. Step 5: Solve for x
    x = 100,266,264,771.17/275,674.20
  6. Step 6: Final answer
    x = 363,712.91

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1.5x scale

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.