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Finding the Fourth Proportional to 626,717.80, 940,232.22 and 293,905

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Solution

The fourth proportional to 626,717.80, 940,232.22 and 293,905 is: 440,930.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    626,717.80 : 940,232.22 = 293,905 : x
  2. Step 2: Convert to fraction form
    626,717.80/940,232.22 = 293,905/x
  3. Step 3: Cross multiply
    626,717.80x = 940,232.22 × 293,905
  4. Step 4: Simplify right side
    626,717.80x = 276,338,950,619.10
  5. Step 5: Solve for x
    x = 276,338,950,619.10/626,717.80
  6. Step 6: Final answer
    x = 440,930.43

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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.