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Finding the Fourth Proportional to 320,601.51, 481,034.73 and 140,593.79

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Solution

The fourth proportional to 320,601.51, 481,034.73 and 140,593.79 is: 210,948.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    320,601.51 : 481,034.73 = 140,593.79 : x
  2. Step 2: Convert to fraction form
    320,601.51/481,034.73 = 140,593.79/x
  3. Step 3: Cross multiply
    320,601.51x = 481,034.73 × 140,593.79
  4. Step 4: Simplify right side
    320,601.51x = 67,630,493,407.15
  5. Step 5: Solve for x
    x = 67,630,493,407.15/320,601.51
  6. Step 6: Final answer
    x = 210,948.77

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.