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Finding the Fourth Proportional to 484,192.88, 726,405.95 and 151,768.88

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Solution

The fourth proportional to 484,192.88, 726,405.95 and 151,768.88 is: 227,689.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    484,192.88 : 726,405.95 = 151,768.88 : x
  2. Step 2: Convert to fraction form
    484,192.88/726,405.95 = 151,768.88/x
  3. Step 3: Cross multiply
    484,192.88x = 726,405.95 × 151,768.88
  4. Step 4: Simplify right side
    484,192.88x = 110,245,814,204.23
  5. Step 5: Solve for x
    x = 110,245,814,204.23/484,192.88
  6. Step 6: Final answer
    x = 227,689.87

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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.