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Finding the Fourth Proportional to 626,568.82, 940,301.03 and 266,991.49

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Solution

The fourth proportional to 626,568.82, 940,301.03 and 266,991.49 is: 400,678.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    626,568.82 : 940,301.03 = 266,991.49 : x
  2. Step 2: Convert to fraction form
    626,568.82/940,301.03 = 266,991.49/x
  3. Step 3: Cross multiply
    626,568.82x = 940,301.03 × 266,991.49
  4. Step 4: Simplify right side
    626,568.82x = 251,052,374,140.18
  5. Step 5: Solve for x
    x = 251,052,374,140.18/626,568.82
  6. Step 6: Final answer
    x = 400,678.05

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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.