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Finding the Fourth Proportional to 501,093.21, 691,536.92 and 297,264.81

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Solution

The fourth proportional to 501,093.21, 691,536.92 and 297,264.81 is: 410,242.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    501,093.21 : 691,536.92 = 297,264.81 : x
  2. Step 2: Convert to fraction form
    501,093.21/691,536.92 = 297,264.81/x
  3. Step 3: Cross multiply
    501,093.21x = 691,536.92 × 297,264.81
  4. Step 4: Simplify right side
    501,093.21x = 205,569,589,645.46
  5. Step 5: Solve for x
    x = 205,569,589,645.46/501,093.21
  6. Step 6: Final answer
    x = 410,242.22

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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.