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Finding the Fourth Proportional to 541,958.40, 747,858.68 and 300,251.16

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Solution

The fourth proportional to 541,958.40, 747,858.68 and 300,251.16 is: 414,322.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    541,958.40 : 747,858.68 = 300,251.16 : x
  2. Step 2: Convert to fraction form
    541,958.40/747,858.68 = 300,251.16/x
  3. Step 3: Cross multiply
    541,958.40x = 747,858.68 × 300,251.16
  4. Step 4: Simplify right side
    541,958.40x = 224,545,436,186.07
  5. Step 5: Solve for x
    x = 224,545,436,186.07/541,958.40
  6. Step 6: Final answer
    x = 414,322.27

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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.