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Finding the Fourth Proportional to 673,832.31, 929,891.78 and 367,914.88

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Solution

The fourth proportional to 673,832.31, 929,891.78 and 367,914.88 is: 507,724.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    673,832.31 : 929,891.78 = 367,914.88 : x
  2. Step 2: Convert to fraction form
    673,832.31/929,891.78 = 367,914.88/x
  3. Step 3: Cross multiply
    673,832.31x = 929,891.78 × 367,914.88
  4. Step 4: Simplify right side
    673,832.31x = 342,121,022,651.69
  5. Step 5: Solve for x
    x = 342,121,022,651.69/673,832.31
  6. Step 6: Final answer
    x = 507,724.28

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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.