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Finding the Fourth Proportional to 447,893.91, 671,836.71 and 181,591.14

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Solution

The fourth proportional to 447,893.91, 671,836.71 and 181,591.14 is: 272,385.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    447,893.91 : 671,836.71 = 181,591.14 : x
  2. Step 2: Convert to fraction form
    447,893.91/671,836.71 = 181,591.14/x
  3. Step 3: Cross multiply
    447,893.91x = 671,836.71 × 181,591.14
  4. Step 4: Simplify right side
    447,893.91x = 121,999,594,062.75
  5. Step 5: Solve for x
    x = 121,999,594,062.75/447,893.91
  6. Step 6: Final answer
    x = 272,385.03

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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.