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Finding the Fourth Proportional to 394,442.92, 544,593.72 and 233,349.58

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Solution

The fourth proportional to 394,442.92, 544,593.72 and 233,349.58 is: 322,177.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    394,442.92 : 544,593.72 = 233,349.58 : x
  2. Step 2: Convert to fraction form
    394,442.92/544,593.72 = 233,349.58/x
  3. Step 3: Cross multiply
    394,442.92x = 544,593.72 × 233,349.58
  4. Step 4: Simplify right side
    394,442.92x = 127,080,715,832.64
  5. Step 5: Solve for x
    x = 127,080,715,832.64/394,442.92
  6. Step 6: Final answer
    x = 322,177.71

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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.