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Finding the Fourth Proportional to 484,148.49, 726,196.44 and 147,162.88

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Solution

The fourth proportional to 484,148.49, 726,196.44 and 147,162.88 is: 220,736.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    484,148.49 : 726,196.44 = 147,162.88 : x
  2. Step 2: Convert to fraction form
    484,148.49/726,196.44 = 147,162.88/x
  3. Step 3: Cross multiply
    484,148.49x = 726,196.44 × 147,162.88
  4. Step 4: Simplify right side
    484,148.49x = 106,869,156,103.11
  5. Step 5: Solve for x
    x = 106,869,156,103.11/484,148.49
  6. Step 6: Final answer
    x = 220,736.32

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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.