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Finding the Fourth Proportional to 552,457.99, 762,399.89 and 326,103.49

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Solution

The fourth proportional to 552,457.99, 762,399.89 and 326,103.49 is: 450,027.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    552,457.99 : 762,399.89 = 326,103.49 : x
  2. Step 2: Convert to fraction form
    552,457.99/762,399.89 = 326,103.49/x
  3. Step 3: Cross multiply
    552,457.99x = 762,399.89 × 326,103.49
  4. Step 4: Simplify right side
    552,457.99x = 248,621,264,904.62
  5. Step 5: Solve for x
    x = 248,621,264,904.62/552,457.99
  6. Step 6: Final answer
    x = 450,027.46

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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.