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Finding the Fourth Proportional to 605,814.82, 836,166.92 and 376,545.26

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Solution

The fourth proportional to 605,814.82, 836,166.92 and 376,545.26 is: 519,721.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    605,814.82 : 836,166.92 = 376,545.26 : x
  2. Step 2: Convert to fraction form
    605,814.82/836,166.92 = 376,545.26/x
  3. Step 3: Cross multiply
    605,814.82x = 836,166.92 × 376,545.26
  4. Step 4: Simplify right side
    605,814.82x = 314,854,690,502.49
  5. Step 5: Solve for x
    x = 314,854,690,502.49/605,814.82
  6. Step 6: Final answer
    x = 519,721.01

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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.