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Finding the Fourth Proportional to 571,398.27, 788,370.03 and 450,163.32

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Solution

The fourth proportional to 571,398.27, 788,370.03 and 450,163.32 is: 621,099.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    571,398.27 : 788,370.03 = 450,163.32 : x
  2. Step 2: Convert to fraction form
    571,398.27/788,370.03 = 450,163.32/x
  3. Step 3: Cross multiply
    571,398.27x = 788,370.03 × 450,163.32
  4. Step 4: Simplify right side
    571,398.27x = 354,895,270,093.30
  5. Step 5: Solve for x
    x = 354,895,270,093.30/571,398.27
  6. Step 6: Final answer
    x = 621,099.66

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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.