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Finding the Fourth Proportional to 316,820.92, 476,227.83 and 275,219.07

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Solution

The fourth proportional to 316,820.92, 476,227.83 and 275,219.07 is: 413,694.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    316,820.92 : 476,227.83 = 275,219.07 : x
  2. Step 2: Convert to fraction form
    316,820.92/476,227.83 = 275,219.07/x
  3. Step 3: Cross multiply
    316,820.92x = 476,227.83 × 275,219.07
  4. Step 4: Simplify right side
    316,820.92x = 131,066,978,952.88
  5. Step 5: Solve for x
    x = 131,066,978,952.88/316,820.92
  6. Step 6: Final answer
    x = 413,694.21

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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.