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Finding the Fourth Proportional to 619,366.82, 854,083.17 and 437,995.94

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Solution

The fourth proportional to 619,366.82, 854,083.17 and 437,995.94 is: 603,979.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    619,366.82 : 854,083.17 = 437,995.94 : x
  2. Step 2: Convert to fraction form
    619,366.82/854,083.17 = 437,995.94/x
  3. Step 3: Cross multiply
    619,366.82x = 854,083.17 × 437,995.94
  4. Step 4: Simplify right side
    619,366.82x = 374,084,960,882.33
  5. Step 5: Solve for x
    x = 374,084,960,882.33/619,366.82
  6. Step 6: Final answer
    x = 603,979.66

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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.