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Finding the Fourth Proportional to 351,347.02, 484,858.78 and 190,201.96

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Solution

The fourth proportional to 351,347.02, 484,858.78 and 190,201.96 is: 262,478.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    351,347.02 : 484,858.78 = 190,201.96 : x
  2. Step 2: Convert to fraction form
    351,347.02/484,858.78 = 190,201.96/x
  3. Step 3: Cross multiply
    351,347.02x = 484,858.78 × 190,201.96
  4. Step 4: Simplify right side
    351,347.02x = 92,221,088,752.33
  5. Step 5: Solve for x
    x = 92,221,088,752.33/351,347.02
  6. Step 6: Final answer
    x = 262,478.64

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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.