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Finding the Fourth Proportional to 440,795.82, 661,201.02 and 191,477.82

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Solution

The fourth proportional to 440,795.82, 661,201.02 and 191,477.82 is: 287,219.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    440,795.82 : 661,201.02 = 191,477.82 : x
  2. Step 2: Convert to fraction form
    440,795.82/661,201.02 = 191,477.82/x
  3. Step 3: Cross multiply
    440,795.82x = 661,201.02 × 191,477.82
  4. Step 4: Simplify right side
    440,795.82x = 126,605,329,891.38
  5. Step 5: Solve for x
    x = 126,605,329,891.38/440,795.82
  6. Step 6: Final answer
    x = 287,219.90

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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.