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Finding the Fourth Proportional to 633,341.97, 950,111.34 and 212,716.26

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Solution

The fourth proportional to 633,341.97, 950,111.34 and 212,716.26 is: 319,107.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    633,341.97 : 950,111.34 = 212,716.26 : x
  2. Step 2: Convert to fraction form
    633,341.97/950,111.34 = 212,716.26/x
  3. Step 3: Cross multiply
    633,341.97x = 950,111.34 × 212,716.26
  4. Step 4: Simplify right side
    633,341.97x = 202,104,130,828.39
  5. Step 5: Solve for x
    x = 202,104,130,828.39/633,341.97
  6. Step 6: Final answer
    x = 319,107.43

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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.