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Finding the Fourth Proportional to 322,960.98, 484,511.46 and 98,315.52

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Solution

The fourth proportional to 322,960.98, 484,511.46 and 98,315.52 is: 147,494.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    322,960.98 : 484,511.46 = 98,315.52 : x
  2. Step 2: Convert to fraction form
    322,960.98/484,511.46 = 98,315.52/x
  3. Step 3: Cross multiply
    322,960.98x = 484,511.46 × 98,315.52
  4. Step 4: Simplify right side
    322,960.98x = 47,634,996,135.86
  5. Step 5: Solve for x
    x = 47,634,996,135.86/322,960.98
  6. Step 6: Final answer
    x = 147,494.59

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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.