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Finding the Fourth Proportional to 479,765.05, 662,114.72 and 275,882.24

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Solution

The fourth proportional to 479,765.05, 662,114.72 and 275,882.24 is: 380,739.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    479,765.05 : 662,114.72 = 275,882.24 : x
  2. Step 2: Convert to fraction form
    479,765.05/662,114.72 = 275,882.24/x
  3. Step 3: Cross multiply
    479,765.05x = 662,114.72 × 275,882.24
  4. Step 4: Simplify right side
    479,765.05x = 182,665,690,711.16
  5. Step 5: Solve for x
    x = 182,665,690,711.16/479,765.05
  6. Step 6: Final answer
    x = 380,739.89

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.