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Finding the Fourth Proportional to 301,958.70, 452,419.65 and 143,846.70

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Solution

The fourth proportional to 301,958.70, 452,419.65 and 143,846.70 is: 215,523.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    301,958.70 : 452,419.65 = 143,846.70 : x
  2. Step 2: Convert to fraction form
    301,958.70/452,419.65 = 143,846.70/x
  3. Step 3: Cross multiply
    301,958.70x = 452,419.65 × 143,846.70
  4. Step 4: Simplify right side
    301,958.70x = 65,079,073,667.66
  5. Step 5: Solve for x
    x = 65,079,073,667.66/301,958.70
  6. Step 6: Final answer
    x = 215,523.10

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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.