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Finding the Fourth Proportional to 351,272.50, 484,623.75 and 230,480.44

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Solution

The fourth proportional to 351,272.50, 484,623.75 and 230,480.44 is: 317,976.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    351,272.50 : 484,623.75 = 230,480.44 : x
  2. Step 2: Convert to fraction form
    351,272.50/484,623.75 = 230,480.44/x
  3. Step 3: Cross multiply
    351,272.50x = 484,623.75 × 230,480.44
  4. Step 4: Simplify right side
    351,272.50x = 111,696,295,134.45
  5. Step 5: Solve for x
    x = 111,696,295,134.45/351,272.50
  6. Step 6: Final answer
    x = 317,976.20

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.