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Finding the Fourth Proportional to 637,104, 955,656 and 193,872

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Solution

The fourth proportional to 637,104, 955,656 and 193,872 is: 290,808

Step by Step Solution

  1. Step 1: Write the proportion equation
    637,104 : 955,656 = 193,872 : x
  2. Step 2: Convert to fraction form
    637,104/955,656 = 193,872/x
  3. Step 3: Cross multiply
    637,104x = 955,656 × 193,872
  4. Step 4: Simplify right side
    637,104x = 185,274,940,032
  5. Step 5: Solve for x
    x = 185,274,940,032/637,104
  6. Step 6: Final answer
    x = 290,808

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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.