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Finding the Fourth Proportional to 301,260.45, 451,888.71 and 76,618.94

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Solution

The fourth proportional to 301,260.45, 451,888.71 and 76,618.94 is: 114,927.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    301,260.45 : 451,888.71 = 76,618.94 : x
  2. Step 2: Convert to fraction form
    301,260.45/451,888.71 = 76,618.94/x
  3. Step 3: Cross multiply
    301,260.45x = 451,888.71 × 76,618.94
  4. Step 4: Simplify right side
    301,260.45x = 34,623,231,698.72
  5. Step 5: Solve for x
    x = 34,623,231,698.72/301,260.45
  6. Step 6: Final answer
    x = 114,927.90

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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.