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Finding the Fourth Proportional to 351,349.45, 484,863.82 and 190,204.49

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Solution

The fourth proportional to 351,349.45, 484,863.82 and 190,204.49 is: 262,483.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    351,349.45 : 484,863.82 = 190,204.49 : x
  2. Step 2: Convert to fraction form
    351,349.45/484,863.82 = 190,204.49/x
  3. Step 3: Cross multiply
    351,349.45x = 484,863.82 × 190,204.49
  4. Step 4: Simplify right side
    351,349.45x = 92,223,276,339.20
  5. Step 5: Solve for x
    x = 92,223,276,339.20/351,349.45
  6. Step 6: Final answer
    x = 262,483.05

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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.