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Finding the Fourth Proportional to 351,208.98, 484,664.58 and 190,060.56

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Solution

The fourth proportional to 351,208.98, 484,664.58 and 190,060.56 is: 262,281.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    351,208.98 : 484,664.58 = 190,060.56 : x
  2. Step 2: Convert to fraction form
    351,208.98/484,664.58 = 190,060.56/x
  3. Step 3: Cross multiply
    351,208.98x = 484,664.58 × 190,060.56
  4. Step 4: Simplify right side
    351,208.98x = 92,115,621,486.96
  5. Step 5: Solve for x
    x = 92,115,621,486.96/351,208.98
  6. Step 6: Final answer
    x = 262,281.51

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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.