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Finding the Fourth Proportional to 351,149.92, 484,583.40 and 190,001.44

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Solution

The fourth proportional to 351,149.92, 484,583.40 and 190,001.44 is: 262,200.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    351,149.92 : 484,583.40 = 190,001.44 : x
  2. Step 2: Convert to fraction form
    351,149.92/484,583.40 = 190,001.44/x
  3. Step 3: Cross multiply
    351,149.92x = 484,583.40 × 190,001.44
  4. Step 4: Simplify right side
    351,149.92x = 92,071,543,800.10
  5. Step 5: Solve for x
    x = 92,071,543,800.10/351,149.92
  6. Step 6: Final answer
    x = 262,200.10

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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.