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Finding the Fourth Proportional to 351,400.48, 484,932.02 and 190,255.50

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Solution

The fourth proportional to 351,400.48, 484,932.02 and 190,255.50 is: 262,552.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    351,400.48 : 484,932.02 = 190,255.50 : x
  2. Step 2: Convert to fraction form
    351,400.48/484,932.02 = 190,255.50/x
  3. Step 3: Cross multiply
    351,400.48x = 484,932.02 × 190,255.50
  4. Step 4: Simplify right side
    351,400.48x = 92,260,982,979.83
  5. Step 5: Solve for x
    x = 92,260,982,979.83/351,400.48
  6. Step 6: Final answer
    x = 262,552.24

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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.