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Finding the Fourth Proportional to 323,270.76, 484,979.58 and 98,651.28

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Solution

The fourth proportional to 323,270.76, 484,979.58 and 98,651.28 is: 147,999.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    323,270.76 : 484,979.58 = 98,651.28 : x
  2. Step 2: Convert to fraction form
    323,270.76/484,979.58 = 98,651.28/x
  3. Step 3: Cross multiply
    323,270.76x = 484,979.58 × 98,651.28
  4. Step 4: Simplify right side
    323,270.76x = 47,843,856,340.86
  5. Step 5: Solve for x
    x = 47,843,856,340.86/323,270.76
  6. Step 6: Final answer
    x = 147,999.33

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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.