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Finding the Fourth Proportional to 443,892.24, 665,809.20 and 191,162.52

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Solution

The fourth proportional to 443,892.24, 665,809.20 and 191,162.52 is: 286,731.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    443,892.24 : 665,809.20 = 191,162.52 : x
  2. Step 2: Convert to fraction form
    443,892.24/665,809.20 = 191,162.52/x
  3. Step 3: Cross multiply
    443,892.24x = 665,809.20 × 191,162.52
  4. Step 4: Simplify right side
    443,892.24x = 127,277,764,511.18
  5. Step 5: Solve for x
    x = 127,277,764,511.18/443,892.24
  6. Step 6: Final answer
    x = 286,731.22

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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.