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Finding the Fourth Proportional to 301,986.70, 452,980.05 and 202,453.90

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Solution

The fourth proportional to 301,986.70, 452,980.05 and 202,453.90 is: 303,680.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    301,986.70 : 452,980.05 = 202,453.90 : x
  2. Step 2: Convert to fraction form
    301,986.70/452,980.05 = 202,453.90/x
  3. Step 3: Cross multiply
    301,986.70x = 452,980.05 × 202,453.90
  4. Step 4: Simplify right side
    301,986.70x = 91,707,577,744.70
  5. Step 5: Solve for x
    x = 91,707,577,744.70/301,986.70
  6. Step 6: Final answer
    x = 303,680.85

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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.