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Finding the Fourth Proportional to 372,553.02, 558,885.42 and 172,893.89

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Solution

The fourth proportional to 372,553.02, 558,885.42 and 172,893.89 is: 259,366.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    372,553.02 : 558,885.42 = 172,893.89 : x
  2. Step 2: Convert to fraction form
    372,553.02/558,885.42 = 172,893.89/x
  3. Step 3: Cross multiply
    372,553.02x = 558,885.42 × 172,893.89
  4. Step 4: Simplify right side
    372,553.02x = 96,627,875,725.30
  5. Step 5: Solve for x
    x = 96,627,875,725.30/372,553.02
  6. Step 6: Final answer
    x = 259,366.78

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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.