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Finding the Fourth Proportional to 456,086.56, 629,394.96 and 254,882.56

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Solution

The fourth proportional to 456,086.56, 629,394.96 and 254,882.56 is: 351,735.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    456,086.56 : 629,394.96 = 254,882.56 : x
  2. Step 2: Convert to fraction form
    456,086.56/629,394.96 = 254,882.56/x
  3. Step 3: Cross multiply
    456,086.56x = 629,394.96 × 254,882.56
  4. Step 4: Simplify right side
    456,086.56x = 160,421,798,655.90
  5. Step 5: Solve for x
    x = 160,421,798,655.90/456,086.56
  6. Step 6: Final answer
    x = 351,735.42

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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.