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Finding the Fourth Proportional to 483,289.92, 666,992.34 and 292,408.56

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Solution

The fourth proportional to 483,289.92, 666,992.34 and 292,408.56 is: 403,555.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    483,289.92 : 666,992.34 = 292,408.56 : x
  2. Step 2: Convert to fraction form
    483,289.92/666,992.34 = 292,408.56/x
  3. Step 3: Cross multiply
    483,289.92x = 666,992.34 × 292,408.56
  4. Step 4: Simplify right side
    483,289.92x = 195,034,269,670.43
  5. Step 5: Solve for x
    x = 195,034,269,670.43/483,289.92
  6. Step 6: Final answer
    x = 403,555.43

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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.