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Finding the Fourth Proportional to 673,444.43, 929,372.99 and 367,540.45

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Solution

The fourth proportional to 673,444.43, 929,372.99 and 367,540.45 is: 507,216.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    673,444.43 : 929,372.99 = 367,540.45 : x
  2. Step 2: Convert to fraction form
    673,444.43/929,372.99 = 367,540.45/x
  3. Step 3: Cross multiply
    673,444.43x = 929,372.99 × 367,540.45
  4. Step 4: Simplify right side
    673,444.43x = 341,582,167,645.01
  5. Step 5: Solve for x
    x = 341,582,167,645.01/673,444.43
  6. Step 6: Final answer
    x = 507,216.56

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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.