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Finding the Fourth Proportional to 351,051.27, 484,449.29 and 189,905.93

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Solution

The fourth proportional to 351,051.27, 484,449.29 and 189,905.93 is: 262,069.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    351,051.27 : 484,449.29 = 189,905.93 : x
  2. Step 2: Convert to fraction form
    351,051.27/484,449.29 = 189,905.93/x
  3. Step 3: Cross multiply
    351,051.27x = 484,449.29 × 189,905.93
  4. Step 4: Simplify right side
    351,051.27x = 91,999,789,583.51
  5. Step 5: Solve for x
    x = 91,999,789,583.51/351,051.27
  6. Step 6: Final answer
    x = 262,069.38

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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.