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Finding the Fourth Proportional to 296,666.58, 445,127.31 and 196,861.62

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Solution

The fourth proportional to 296,666.58, 445,127.31 and 196,861.62 is: 295,377.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    296,666.58 : 445,127.31 = 196,861.62 : x
  2. Step 2: Convert to fraction form
    296,666.58/445,127.31 = 196,861.62/x
  3. Step 3: Cross multiply
    296,666.58x = 445,127.31 × 196,861.62
  4. Step 4: Simplify right side
    296,666.58x = 87,628,483,352.84
  5. Step 5: Solve for x
    x = 87,628,483,352.84/296,666.58
  6. Step 6: Final answer
    x = 295,377.00

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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.