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Finding the Fourth Proportional to 395,593.91, 545,908.29 and 232,247.73

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Solution

The fourth proportional to 395,593.91, 545,908.29 and 232,247.73 is: 320,495.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    395,593.91 : 545,908.29 = 232,247.73 : x
  2. Step 2: Convert to fraction form
    395,593.91/545,908.29 = 232,247.73/x
  3. Step 3: Cross multiply
    395,593.91x = 545,908.29 × 232,247.73
  4. Step 4: Simplify right side
    395,593.91x = 126,785,961,140.68
  5. Step 5: Solve for x
    x = 126,785,961,140.68/395,593.91
  6. Step 6: Final answer
    x = 320,495.23

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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.