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Finding the Fourth Proportional to 567,665.64, 783,350.48 and 322,618.36

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Solution

The fourth proportional to 567,665.64, 783,350.48 and 322,618.36 is: 445,197.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    567,665.64 : 783,350.48 = 322,618.36 : x
  2. Step 2: Convert to fraction form
    567,665.64/783,350.48 = 322,618.36/x
  3. Step 3: Cross multiply
    567,665.64x = 783,350.48 × 322,618.36
  4. Step 4: Simplify right side
    567,665.64x = 252,723,247,162.81
  5. Step 5: Solve for x
    x = 252,723,247,162.81/567,665.64
  6. Step 6: Final answer
    x = 445,197.37

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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.