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Finding the Fourth Proportional to 567,669.39, 783,355.02 and 322,647.73

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Solution

The fourth proportional to 567,669.39, 783,355.02 and 322,647.73 is: 445,237.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    567,669.39 : 783,355.02 = 322,647.73 : x
  2. Step 2: Convert to fraction form
    567,669.39/783,355.02 = 322,647.73/x
  3. Step 3: Cross multiply
    567,669.39x = 783,355.02 × 322,647.73
  4. Step 4: Simplify right side
    567,669.39x = 252,747,720,744.31
  5. Step 5: Solve for x
    x = 252,747,720,744.31/567,669.39
  6. Step 6: Final answer
    x = 445,237.54

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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.